#1F130A

Closest named color: Very Dark Brown (#1D0200). oklch(20% 0.026 57.5), rgb(31, 19, 10).

Aa

White text reads best on this color (18.16:1).

About this color

#1F130A is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.058 away. White text reads best on it, at 18.16:1.

Hue familyNeutrals
Lightnessvery dark (20%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameVery Dark Brown (#1D0200)
Black text1.15:1
White text18.16:1

Values

HEX#1F130A
RGBrgb(31, 19, 10)
HSLhsl(26, 51%, 8%)
OKLCHoklch(20% 0.026 57.5)

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 #1F130A 18.16:1 AAA Lc -107.0 Preferred for body text
Black text on #1F130A 1.15:1 Fails Lc 0.0 Not readable
#1F130A text on white 18.16:1 AAA Lc 104.8 Preferred for body text
#1F130A 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

    #F8F5F3

    oklch(97.2% 0.004 56.4)

  2. Step 100

    100

    #EFE8E4

    oklch(93.5% 0.009 52.1)

  3. Step 200

    200

    #E2D7CE

    oklch(88.5% 0.017 61.9)

  4. Step 300

    300

    #D1BCAE

    oklch(80.9% 0.031 55.9)

  5. Step 400

    400

    #B99983

    oklch(70.6% 0.049 56.3)

  6. Step 500

    500

    #A78064

    oklch(63.1% 0.063 57)

  7. Step 600

    600

    #92694B

    oklch(55.6% 0.068 57)

  8. Step 700

    700

    #7C573C

    oklch(49% 0.063 56.7)

  9. Step 800

    800

    #654832

    oklch(42.8% 0.052 58)

  10. Step 900

    900

    #523C2C

    oklch(37.6% 0.04 57.2)

  11. Step 950

    950 (this color)

    #1F130A

    oklch(20% 0.026 57.5)

Export this scale for Tailwind in the Tailwind colors tool

#1F130A 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)#1714090.018
Deuteranopia (no green cones)#19170A0.019
Tritanopia (no blue cones)#2211110.018
Achromatopsia (no color)#1616160.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F130A

    #1F130A

    oklch(20% 0.026 57.5)

  • #0A1820

    #0A1820

    oklch(20.1% 0.025 235)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F130A

    #1F130A

    oklch(20% 0.026 57.5)

  • #21110F

    #21110F

    oklch(20% 0.027 27.5)

  • #1B1508

    #1B1508

    oklch(19.9% 0.025 85.6)

Open the analogous palette in the generator

Split complementary

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

  • #1F130A

    #1F130A

    oklch(20% 0.026 57.5)

  • #06191C

    #06191C

    oklch(19.9% 0.026 208.8)

  • #111622

    #111622

    oklch(20.1% 0.025 266.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F130A

    #1F130A

    oklch(20% 0.026 57.5)

  • #081A16

    #081A16

    oklch(20.1% 0.026 177.3)

  • #171320

    #171320

    oklch(19.8% 0.026 298.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F130A

    #1F130A

    oklch(20% 0.026 57.5)

  • #0E190F

    #0E190F

    oklch(19.9% 0.025 146.8)

  • #0A1820

    #0A1820

    oklch(20.1% 0.025 235)

  • #1C121C

    #1C121C

    oklch(20% 0.025 326.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F130A, closest first.

Similar named colors

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

Use #1F130A 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.