#102A38

Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.041 234.6), rgb(16, 42, 56).

Aa

White text reads best on this color (14.89:1).

About this color

#102A38 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.041 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 14.89:1.

Hue familyBlues
Lightnessdark (27%)
Chromamuted (0.041)
Temperaturecool
Nearest nameOxford Blue (#1B263B)
Black text1.41:1
White text14.89:1

Values

HEX#102A38
RGBrgb(16, 42, 56)
HSLhsl(201, 56%, 14%)
OKLCHoklch(27.2% 0.041 234.6)

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 #102A38 14.89:1 AAA Lc -104.5 Preferred for body text
Black text on #102A38 1.41:1 Fails Lc 0.0 Not readable
#102A38 text on white 14.89:1 AAA Lc 101.6 Preferred for body text
#102A38 text on black 1.41:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #F1F6F9

    oklch(97% 0.007 233.6)

  2. Step 100

    100

    #E1ECF2

    oklch(93.7% 0.014 231.2)

  3. Step 200

    200

    #C9DDE9

    oklch(88.6% 0.027 234)

  4. Step 300

    300

    #A3C6DC

    oklch(80.8% 0.049 235.8)

  5. Step 400

    400

    #6FA9CA

    oklch(70.7% 0.077 234.4)

  6. Step 500

    500

    #4493BD

    oklch(63.1% 0.1 234.7)

  7. Step 600

    600

    #1C7CA9

    oklch(55.5% 0.109 235)

  8. Step 700

    700

    #0A6991

    oklch(49.2% 0.1 234.4)

  9. Step 800

    800

    #105676

    oklch(42.8% 0.083 234.4)

  10. Step 900

    900

    #18475F

    oklch(37.8% 0.065 234.6)

  11. Step 950

    950 (this color)

    #102A38

    oklch(27.2% 0.041 234.6)

Export this scale for Tailwind in the Tailwind colors tool

#102A38 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)#232A390.026
Deuteranopia (no green cones)#1E25380.023
Tritanopia (no blue cones)#002E2F0.029
Achromatopsia (no color)#2727270.041

Harmonies

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

Complementary

The opposite hue (180°).

  • #102A38

    #102A38

    oklch(27.2% 0.041 234.6)

  • #362113

    #362113

    oklch(27.1% 0.04 53.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #102A38

    #102A38

    oklch(27.2% 0.041 234.6)

  • #072D30

    #072D30

    oklch(27.3% 0.041 202.8)

  • #1D263B

    #1D263B

    oklch(27.1% 0.041 266)

Open the analogous palette in the generator

Split complementary

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

  • #102A38

    #102A38

    oklch(27.2% 0.041 234.6)

  • #391F1D

    #391F1D

    oklch(27.3% 0.041 24.8)

  • #30250D

    #30250D

    oklch(27.1% 0.041 84.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #102A38

    #102A38

    oklch(27.2% 0.041 234.6)

  • #371E28

    #371E28

    oklch(27.2% 0.042 354.7)

  • #262910

    #262910

    oklch(27.1% 0.041 114.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #102A38

    #102A38

    oklch(27.2% 0.041 234.6)

  • #312032

    #312032

    oklch(27.2% 0.04 324.7)

  • #362113

    #362113

    oklch(27.1% 0.04 53.9)

  • #1A2C1A

    #1A2C1A

    oklch(27.1% 0.04 144.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #102A38, closest first.

Similar named colors

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

Use #102A38 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.