#214C8B

Closest named color: Cobalt (#1E488F). oklch(42.1% 0.115 258.2), rgb(33, 76, 139).

Aa

White text reads best on this color (8.49:1).

About this color

#214C8B is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.115 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.015 away. White text reads best on it, at 8.49:1.

Hue familyBlues
Lightnessdark (42%)
Chromamoderately saturated (0.115)
Temperaturecool
Nearest nameCobalt (#1E488F)
Black text2.47:1
White text8.49:1

Values

HEX#214C8B
RGBrgb(33, 76, 139)
HSLhsl(216, 62%, 34%)
OKLCHoklch(42.1% 0.115 258.2)

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 #214C8B 8.49:1 AAA Lc -93.5 Preferred for body text
Black text on #214C8B 2.47:1 Fails Lc 15.1 Dividers and decoration only
#214C8B text on white 8.49:1 AAA Lc 88.9 Fine for body text
#214C8B text on black 2.47:1 Fails Lc -13.3 Not readable

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 800.

  1. Step 50

    50

    #F2F6FC

    oklch(97.2% 0.009 258.3)

  2. Step 100

    100

    #E2EBF7

    oklch(93.7% 0.019 255.5)

  3. Step 200

    200

    #CADAF2

    oklch(88.4% 0.037 258.4)

  4. Step 300

    300

    #A6C2ED

    oklch(80.8% 0.068 258.9)

  5. Step 400

    400

    #76A2E3

    oklch(70.7% 0.107 258)

  6. Step 500

    500

    #5289DB

    oklch(63% 0.137 258.2)

  7. Step 600

    600

    #3671C9

    oklch(55.5% 0.15 258.4)

  8. Step 700

    700

    #285FAE

    oklch(49.2% 0.139 258)

  9. Step 800

    800 (this color)

    #214C8B

    oklch(42.1% 0.115 258.2)

  10. Step 900

    900

    #214170

    oklch(37.6% 0.089 258)

  11. Step 950

    950

    #142642

    oklch(26.9% 0.058 258.9)

Export this scale for Tailwind in the Tailwind colors tool

#214C8B 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)#2C528D0.022
Deuteranopia (no green cones)#18488A0.015
Tritanopia (no blue cones)#005B640.091
Achromatopsia (no color)#4D4D4D0.115

Harmonies

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

Complementary

The opposite hue (180°).

  • #214C8B

    #214C8B

    oklch(42.1% 0.115 258.2)

  • #674600

    #674600

    oklch(42% 0.088 78)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #214C8B

    #214C8B

    oklch(42.1% 0.115 258.2)

  • #005571

    #005571

    oklch(42% 0.083 229)

  • #4C4088

    #4C4088

    oklch(42.2% 0.116 288.1)

Open the analogous palette in the generator

Split complementary

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

  • #214C8B

    #214C8B

    oklch(42.1% 0.115 258.2)

  • #7D3500

    #7D3500

    oklch(42.1% 0.114 48.1)

  • #525100

    #525100

    oklch(42.2% 0.092 108.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #214C8B

    #214C8B

    oklch(42.1% 0.115 258.2)

  • #802D35

    #802D35

    oklch(42.1% 0.115 17.9)

  • #295B14

    #295B14

    oklch(42.1% 0.115 138.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #214C8B

    #214C8B

    oklch(42.1% 0.115 258.2)

  • #792E58

    #792E58

    oklch(42.2% 0.116 348.5)

  • #674600

    #674600

    oklch(42% 0.088 78)

  • #005C45

    #005C45

    oklch(42.2% 0.085 168.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #214C8B, closest first.

Similar named colors

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

Use #214C8B 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.