#658BEC

Closest named color: Soft Blue (#6488EA). oklch(65.4% 0.151 266.2), rgb(101, 139, 236).

Aa

Black text reads best on this color (6.45:1).

About this color

#658BEC is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.151 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.008 away. Black text reads best on it, at 6.45:1.

Hue familyBlues
Lightnessmedium-light (65%)
Chromavivid (0.151)
Temperaturecool
Nearest nameSoft Blue (#6488EA)
Black text6.45:1
White text3.25:1

Values

HEX#658BEC
RGBrgb(101, 139, 236)
HSLhsl(223, 78%, 66%)
OKLCHoklch(65.4% 0.151 266.2)

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 #658BEC 3.25:1 AA large text Lc -65.0 Content text, not long reading
Black text on #658BEC 6.45:1 AA Lc 44.5 Non-text elements, placeholder text
#658BEC text on white 3.25:1 AA large text Lc 59.6 Large or bold text, headings
#658BEC text on black 6.45:1 AA Lc -42.1 Non-text elements, placeholder text

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 500.

  1. Step 50

    50

    #F2F5FC

    oklch(97% 0.01 267.4)

  2. Step 100

    100

    #E3EAF9

    oklch(93.6% 0.022 265.8)

  3. Step 200

    200

    #CDD9F5

    oklch(88.5% 0.041 267.1)

  4. Step 300

    300

    #AAC0F1

    oklch(80.8% 0.074 265.9)

  5. Step 400

    400

    #7E9EEB

    oklch(70.7% 0.119 266.2)

  6. Step 500

    500 (this color)

    #658BEC

    oklch(65.4% 0.151 266.2)

  7. Step 600

    600

    #466BD2

    oklch(55.5% 0.164 266.3)

  8. Step 700

    700

    #3859B6

    oklch(49.1% 0.152 266.2)

  9. Step 800

    800

    #2E4993

    oklch(42.6% 0.126 266.1)

  10. Step 900

    900

    #293E75

    oklch(37.7% 0.098 266.1)

  11. Step 950

    950

    #182545

    oklch(27.1% 0.062 265.8)

Export this scale for Tailwind in the Tailwind colors tool

#658BEC 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)#6195F00.026
Deuteranopia (no green cones)#4F89EA0.024
Tritanopia (no blue cones)#00A0B00.134
Achromatopsia (no color)#8F8F8F0.151

Harmonies

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

Complementary

The opposite hue (180°).

  • #658BEC

    #658BEC

    oklch(65.4% 0.151 266.2)

  • #B48900

    #B48900

    oklch(65.3% 0.134 86.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #658BEC

    #658BEC

    oklch(65.4% 0.151 266.2)

  • #009BDA

    #009BDA

    oklch(65.2% 0.141 236.4)

  • #9A7AE1

    #9A7AE1

    oklch(65.4% 0.151 296.3)

Open the analogous palette in the generator

Split complementary

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

  • #658BEC

    #658BEC

    oklch(65.4% 0.151 266.2)

  • #D4741A

    #D4741A

    oklch(65.5% 0.151 56.4)

  • #8C9B00

    #8C9B00

    oklch(65.5% 0.15 116.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #658BEC

    #658BEC

    oklch(65.4% 0.151 266.2)

  • #DD665E

    #DD665E

    oklch(65.3% 0.151 25.9)

  • #47A854

    #47A854

    oklch(65.4% 0.152 146.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #658BEC

    #658BEC

    oklch(65.4% 0.151 266.2)

  • #D66493

    #D66493

    oklch(65.4% 0.151 356.2)

  • #B48900

    #B48900

    oklch(65.3% 0.134 86.2)

  • #00A88E

    #00A88E

    oklch(65.4% 0.122 176.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #658BEC, closest first.

Similar named colors

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

Use #658BEC 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.