#1F150D

Closest named color: Dark Brown (#341C02). oklch(20.6% 0.022 59.8), rgb(31, 21, 13).

Aa

White text reads best on this color (17.92:1).

About this color

#1F150D is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.057 away. White text reads best on it, at 17.92:1.

Hue familyNeutrals
Lightnessvery dark (21%)
Chromaclose to neutral grey (0.022)
Temperatureneutral
Nearest nameDark Brown (#341C02)
Black text1.17:1
White text17.92:1

Values

HEX#1F150D
RGBrgb(31, 21, 13)
HSLhsl(27, 41%, 9%)
OKLCHoklch(20.6% 0.022 59.8)

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 #1F150D 17.92:1 AAA Lc -106.8 Preferred for body text
Black text on #1F150D 1.17:1 Fails Lc 0.0 Not readable
#1F150D text on white 17.92:1 AAA Lc 104.7 Preferred for body text
#1F150D text on black 1.17:1 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

    #F7F5F3

    oklch(97.1% 0.003 67.8)

  2. Step 100

    100

    #EEE9E5

    oklch(93.7% 0.008 61.4)

  3. Step 200

    200

    #E1D7D0

    oklch(88.5% 0.015 57.6)

  4. Step 300

    300

    #CEBDB0

    oklch(80.9% 0.026 59.8)

  5. Step 400

    400

    #B59B87

    oklch(70.7% 0.042 59.6)

  6. Step 500

    500

    #A28269

    oklch(63% 0.053 59.6)

  7. Step 600

    600

    #8D6B50

    oklch(55.5% 0.059 59.6)

  8. Step 700

    700

    #785941

    oklch(49% 0.055 58.8)

  9. Step 800

    800

    #624936

    oklch(42.7% 0.045 58.4)

  10. Step 900

    900

    #503D2F

    oklch(37.7% 0.035 57.8)

  11. Step 950

    950 (this color)

    #1F150D

    oklch(20.6% 0.022 59.8)

Export this scale for Tailwind in the Tailwind colors tool

#1F150D 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)#18160C0.015
Deuteranopia (no green cones)#1A180D0.015
Tritanopia (no blue cones)#2213130.017
Achromatopsia (no color)#1717170.022

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F150D

    #1F150D

    oklch(20.6% 0.022 59.8)

  • #0E1921

    #0E1921

    oklch(20.7% 0.023 240.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F150D

    #1F150D

    oklch(20.6% 0.022 59.8)

  • #211411

    #211411

    oklch(20.8% 0.022 33.5)

  • #1B170B

    #1B170B

    oklch(20.6% 0.023 91.7)

Open the analogous palette in the generator

Split complementary

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

  • #1F150D

    #1F150D

    oklch(20.6% 0.022 59.8)

  • #0A1A1D

    #0A1A1D

    oklch(20.5% 0.022 211)

  • #131722

    #131722

    oklch(20.6% 0.023 268.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F150D

    #1F150D

    oklch(20.6% 0.022 59.8)

  • #0B1B18

    #0B1B18

    oklch(20.7% 0.023 180.5)

  • #191520

    #191520

    oklch(20.6% 0.022 301.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F150D

    #1F150D

    oklch(20.6% 0.022 59.8)

  • #101A12

    #101A12

    oklch(20.5% 0.022 150.3)

  • #0E1921

    #0E1921

    oklch(20.7% 0.023 240.8)

  • #1D141C

    #1D141C

    oklch(20.6% 0.021 330.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F150D, closest first.

Similar named colors

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

Use #1F150D 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.