#1D111C

Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.028 329.5), rgb(29, 17, 28).

Aa

White text reads best on this color (18.27:1).

About this color

#1D111C is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.045 away. White text reads best on it, at 18.27:1.

Hue familyNeutrals
Lightnessvery dark (20%)
Chromaclose to neutral grey (0.028)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.14:1
White text18.27:1

Values

HEX#1D111C
RGBrgb(29, 17, 28)
HSLhsl(305, 26%, 9%)
OKLCHoklch(19.9% 0.028 329.5)

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 #1D111C 18.27:1 AAA Lc -107.0 Preferred for body text
Black text on #1D111C 1.14:1 Fails Lc 0.0 Not readable
#1D111C text on white 18.27:1 AAA Lc 104.9 Preferred for body text
#1D111C text on black 1.14:1 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

    #F7F4F7

    oklch(97% 0.005 325.6)

  2. Step 100

    100

    #EEE8ED

    oklch(93.7% 0.009 331)

  3. Step 200

    200

    #E1D5DF

    oklch(88.6% 0.019 331.1)

  4. Step 300

    300

    #CEB9CB

    oklch(80.9% 0.034 330.5)

  5. Step 400

    400

    #B495B1

    oklch(70.7% 0.053 329.3)

  6. Step 500

    500

    #A17B9E

    oklch(63.1% 0.068 329)

  7. Step 600

    600

    #8C6389

    oklch(55.5% 0.076 329)

  8. Step 700

    700

    #775274

    oklch(49.1% 0.07 329.4)

  9. Step 800

    800

    #61435E

    oklch(42.6% 0.058 330)

  10. Step 900

    900

    #4F394D

    oklch(37.7% 0.044 329.5)

  11. Step 950

    950 (this color)

    #1D111C

    oklch(19.9% 0.028 329.5)

Export this scale for Tailwind in the Tailwind colors tool

#1D111C 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)#11141C0.026
Deuteranopia (no green cones)#13161C0.026
Tritanopia (no blue cones)#1E12150.016
Achromatopsia (no color)#1515150.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #1D111C

    #1D111C

    oklch(19.9% 0.028 329.5)

  • #0C190F

    #0C190F

    oklch(19.8% 0.027 150.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1D111C

    #1D111C

    oklch(19.9% 0.028 329.5)

  • #181321

    #181321

    oklch(20% 0.028 300.3)

  • #201015

    #201015

    oklch(19.8% 0.028 359.8)

Open the analogous palette in the generator

Split complementary

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

  • #1D111C

    #1D111C

    oklch(19.9% 0.028 329.5)

  • #141808

    #141808

    oklch(20% 0.03 120.6)

  • #051A16

    #051A16

    oklch(19.9% 0.029 179.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1D111C

    #1D111C

    oklch(19.9% 0.028 329.5)

  • #1B1506

    #1B1506

    oklch(19.9% 0.029 88.6)

  • #04191D

    #04191D

    oklch(19.8% 0.029 211.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1D111C

    #1D111C

    oklch(19.9% 0.028 329.5)

  • #1F1308

    #1F1308

    oklch(20% 0.028 62.9)

  • #0C190F

    #0C190F

    oklch(19.8% 0.027 150.6)

  • #091721

    #091721

    oklch(19.7% 0.028 241.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1D111C, closest first.

Similar named colors

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

Use #1D111C 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.