#1C131A

Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.02 334.3), rgb(28, 19, 26).

Aa

White text reads best on this color (18.14:1).

About this color

#1C131A is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 18.14:1.

Hue familyNeutrals
Lightnessvery dark (20%)
Chromaclose to neutral grey (0.020)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.15:1
White text18.14:1

Values

HEX#1C131A
RGBrgb(28, 19, 26)
HSLhsl(313, 19%, 9%)
OKLCHoklch(20.1% 0.02 334.3)

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 #1C131A 18.14:1 AAA Lc -107.0 Preferred for body text
Black text on #1C131A 1.15:1 Fails Lc 0.0 Not readable
#1C131A text on white 18.14:1 AAA Lc 104.8 Preferred for body text
#1C131A text on black 1.15:1 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

    #F7F5F6

    oklch(97.2% 0.002 345.2)

  2. Step 100

    100

    #EDE8EC

    oklch(93.6% 0.008 332.1)

  3. Step 200

    200

    #DFD6DD

    oklch(88.5% 0.014 333.1)

  4. Step 300

    300

    #CBBBC7

    oklch(80.9% 0.024 334.4)

  5. Step 400

    400

    #B098AA

    oklch(70.7% 0.038 334.8)

  6. Step 500

    500

    #9C7F95

    oklch(63.1% 0.047 334.7)

  7. Step 600

    600

    #876880

    oklch(55.6% 0.053 334.4)

  8. Step 700

    700

    #72576C

    oklch(49.2% 0.047 334.3)

  9. Step 800

    800

    #5D4758

    oklch(42.7% 0.04 334.4)

  10. Step 900

    900

    #4C3C48

    oklch(37.8% 0.029 335.1)

  11. Step 950

    950 (this color)

    #1C131A

    oklch(20.1% 0.02 334.3)

Export this scale for Tailwind in the Tailwind colors tool

#1C131A 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)#13151A0.019
Deuteranopia (no green cones)#15161A0.017
Tritanopia (no blue cones)#1D13150.010
Achromatopsia (no color)#1616160.020

Harmonies

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

Complementary

The opposite hue (180°).

  • #1C131A

    #1C131A

    oklch(20.1% 0.02 334.3)

  • #0F1912

    #0F1912

    oklch(20.1% 0.02 153.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1C131A

    #1C131A

    oklch(20.1% 0.02 334.3)

  • #18141E

    #18141E

    oklch(20.1% 0.021 302.9)

  • #1E1315

    #1E1315

    oklch(20.2% 0.019 6.8)

Open the analogous palette in the generator

Split complementary

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

  • #1C131A

    #1C131A

    oklch(20.1% 0.02 334.3)

  • #14180E

    #14180E

    oklch(20.1% 0.02 125.9)

  • #0C1917

    #0C1917

    oklch(20.1% 0.019 183.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1C131A

    #1C131A

    oklch(20.1% 0.02 334.3)

  • #19160C

    #19160C

    oklch(20% 0.019 93.4)

  • #0B191C

    #0B191C

    oklch(20.2% 0.02 212.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1C131A

    #1C131A

    oklch(20.1% 0.02 334.3)

  • #1D140D

    #1D140D

    oklch(20% 0.02 59.2)

  • #0F1912

    #0F1912

    oklch(20.1% 0.02 153.8)

  • #0F171F

    #0F171F

    oklch(20.1% 0.02 248.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C131A, closest first.

Similar named colors

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

Use #1C131A 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.