#0C2C39

Closest named color: Oxford Blue (#1B263B). oklch(27.6% 0.044 228.5), rgb(12, 44, 57).

Aa

White text reads best on this color (14.63:1).

About this color

#0C2C39 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.044 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.026 away. White text reads best on it, at 14.63:1.

Hue familyTeals and cyans
Lightnessdark (28%)
Chromamuted (0.044)
Temperaturecool
Nearest nameOxford Blue (#1B263B)
Black text1.43:1
White text14.63:1

Values

HEX#0C2C39
RGBrgb(12, 44, 57)
HSLhsl(197, 65%, 14%)
OKLCHoklch(27.6% 0.044 228.5)

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 #0C2C39 14.63:1 AAA Lc -104.2 Preferred for body text
Black text on #0C2C39 1.43:1 Fails Lc 0.0 Not readable
#0C2C39 text on white 14.63:1 AAA Lc 101.3 Preferred for body text
#0C2C39 text on black 1.43:1 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

    #E0ECF2

    oklch(93.6% 0.015 229)

  3. Step 200

    200

    #C6DDE8

    oklch(88.4% 0.029 228.1)

  4. Step 300

    300

    #9EC8DB

    oklch(80.9% 0.052 227.3)

  5. Step 400

    400

    #66ABCA

    oklch(70.7% 0.083 228.7)

  6. Step 500

    500

    #3295BC

    oklch(63% 0.106 228.6)

  7. Step 600

    600

    #007FA5

    oklch(55.7% 0.108 227.8)

  8. Step 700

    700

    #006A8C

    oklch(49% 0.097 229.1)

  9. Step 800

    800

    #005773

    oklch(42.7% 0.084 228.5)

  10. Step 900

    900

    #0A485F

    oklch(37.7% 0.07 229.3)

  11. Step 950

    950 (this color)

    #0C2C39

    oklch(27.6% 0.044 228.5)

Export this scale for Tailwind in the Tailwind colors tool

#0C2C39 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)#252B3A0.031
Deuteranopia (no green cones)#1F27390.027
Tritanopia (no blue cones)#0030300.027
Achromatopsia (no color)#2929290.044

Harmonies

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

Complementary

The opposite hue (180°).

  • #0C2C39

    #0C2C39

    oklch(27.6% 0.044 228.5)

  • #392114

    #392114

    oklch(27.6% 0.043 48.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #0C2C39

    #0C2C39

    oklch(27.6% 0.044 228.5)

  • #042E30

    #042E30

    oklch(27.5% 0.044 199.8)

  • #1A283D

    #1A283D

    oklch(27.5% 0.044 258.3)

Open the analogous palette in the generator

Split complementary

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

  • #0C2C39

    #0C2C39

    oklch(27.6% 0.044 228.5)

  • #3B1F20

    #3B1F20

    oklch(27.7% 0.044 18)

  • #34250C

    #34250C

    oklch(27.6% 0.044 77.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #0C2C39

    #0C2C39

    oklch(27.6% 0.044 228.5)

  • #381F2C

    #381F2C

    oklch(27.7% 0.044 347.9)

  • #2A2A0E

    #2A2A0E

    oklch(27.8% 0.044 109)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #0C2C39

    #0C2C39

    oklch(27.6% 0.044 228.5)

  • #312136

    #312136

    oklch(27.7% 0.044 318)

  • #392114

    #392114

    oklch(27.6% 0.043 48.7)

  • #1D2D18

    #1D2D18

    oklch(27.6% 0.043 138.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0C2C39, closest first.

Similar named colors

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

Use #0C2C39 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.