#689DDA

Closest named color: Cornflower Blue (#6495ED). oklch(68.4% 0.107 252.8), rgb(104, 157, 218).

Aa

Black text reads best on this color (7.42:1).

About this color

#689DDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.107 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.040 away. Black text reads best on it, at 7.42:1.

Hue familyBlues
Lightnessmedium-light (68%)
Chromamoderately saturated (0.107)
Temperaturecool
Nearest nameCornflower Blue (#6495ED)
Black text7.42:1
White text2.82:1

Values

HEX#689DDA
RGBrgb(104, 157, 218)
HSLhsl(212, 61%, 63%)
OKLCHoklch(68.4% 0.107 252.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #689DDA 2.82:1 Fails Lc -59.5 Large or bold text, headings
Black text on #689DDA 7.42:1 AAA Lc 49.9 Large or bold text, headings
#689DDA text on white 2.82:1 Fails Lc 54.2 Large or bold text, headings
#689DDA text on black 7.42:1 AAA Lc -47.7 Large or bold text, headings

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #F1F6FB

    oklch(97.1% 0.009 247.9)

  2. Step 100

    100

    #E1EBF7

    oklch(93.6% 0.019 252.9)

  3. Step 200

    200

    #C8DBF2

    oklch(88.4% 0.038 253.2)

  4. Step 300

    300

    #A2C4EB

    oklch(80.9% 0.066 252.1)

  5. Step 400

    400 (this color)

    #689DDA

    oklch(68.4% 0.107 252.8)

  6. Step 500

    500

    #468CD9

    oklch(63.1% 0.136 252.7)

  7. Step 600

    600

    #2474C7

    oklch(55.5% 0.149 253.1)

  8. Step 700

    700

    #1561AC

    oklch(49% 0.139 253)

  9. Step 800

    800

    #16508B

    oklch(42.8% 0.114 252.7)

  10. Step 900

    900

    #1A436F

    oklch(37.8% 0.088 252.6)

  11. Step 950

    950

    #102741

    oklch(26.9% 0.057 253.1)

Export this scale for Tailwind in the Tailwind colors tool

#689DDA with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#84A0DD0.035
Deuteranopia (no green cones)#7695D90.025
Tritanopia (no blue cones)#29ABB20.094
Achromatopsia (no color)#9A9A9A0.107

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #689DDA

    #689DDA

    oklch(68.4% 0.107 252.8)

  • #C28E49

    #C28E49

    oklch(68.4% 0.107 72.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #689DDA

    #689DDA

    oklch(68.4% 0.107 252.8)

  • #3DA8C9

    #3DA8C9

    oklch(68.4% 0.107 222.3)

  • #9091DA

    #9091DA

    oklch(68.5% 0.107 282.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #689DDA

    #689DDA

    oklch(68.4% 0.107 252.8)

  • #D18363

    #D18363

    oklch(68.5% 0.107 42.9)

  • #A69C48

    #A69C48

    oklch(68.4% 0.106 102.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #689DDA

    #689DDA

    oklch(68.4% 0.107 252.8)

  • #D37D87

    #D37D87

    oklch(68.5% 0.107 12.8)

  • #80A861

    #80A861

    oklch(68.5% 0.107 132.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #689DDA

    #689DDA

    oklch(68.4% 0.107 252.8)

  • #C77EAB

    #C77EAB

    oklch(68.3% 0.107 342.7)

  • #C28E49

    #C28E49

    oklch(68.4% 0.107 72.1)

  • #53AE86

    #53AE86

    oklch(68.4% 0.107 162.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #689DDA, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #689DDA in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.