#1F0918

Closest named color: Very Dark Brown (#1D0200). oklch(18.3% 0.045 341.1), rgb(31, 9, 24).

Aa

White text reads best on this color (18.90:1).

About this color

#1F0918 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 341°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.055 away. White text reads best on it, at 18.90:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.90:1

Values

HEX#1F0918
RGBrgb(31, 9, 24)
HSLhsl(319, 55%, 8%)
OKLCHoklch(18.3% 0.045 341.1)

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 #1F0918 18.90:1 AAA Lc -107.3 Preferred for body text
Black text on #1F0918 1.11:1 Fails Lc 0.0 Not readable
#1F0918 text on white 18.90:1 AAA Lc 105.2 Preferred for body text
#1F0918 text on black 1.11:1 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

    #F9F4F7

    oklch(97.2% 0.007 340.4)

  2. Step 100

    100

    #F2E6ED

    oklch(93.6% 0.016 341.4)

  3. Step 200

    200

    #E8D2DF

    oklch(88.6% 0.03 341.4)

  4. Step 300

    300

    #DAB4CB

    oklch(81% 0.053 341.4)

  5. Step 400

    400

    #C68CB0

    oklch(70.8% 0.085 341.7)

  6. Step 500

    500

    #B66E9D

    oklch(63.1% 0.109 341.2)

  7. Step 600

    600

    #A15588

    oklch(55.7% 0.119 341)

  8. Step 700

    700

    #8A4573

    oklch(49.2% 0.111 341.5)

  9. Step 800

    800

    #70395E

    oklch(42.7% 0.092 341)

  10. Step 900

    900

    #5B314D

    oklch(37.7% 0.073 340.9)

  11. Step 950

    950 (this color)

    #1F0918

    oklch(18.3% 0.045 341.1)

Export this scale for Tailwind in the Tailwind colors tool

#1F0918 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)#0A0F180.048
Deuteranopia (no green cones)#1012170.043
Tritanopia (no blue cones)#21090F0.019
Achromatopsia (no color)#1111110.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0918

    #1F0918

    oklch(18.3% 0.045 341.1)

  • #00180C

    #00180C

    oklch(18.4% 0.042 160.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0918

    #1F0918

    oklch(18.3% 0.045 341.1)

  • #190C21

    #190C21

    oklch(18.5% 0.045 311.3)

  • #22080D

    #22080D

    oklch(18.1% 0.045 10.7)

Open the analogous palette in the generator

Split complementary

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

  • #1F0918

    #1F0918

    oklch(18.3% 0.045 341.1)

  • #0B1601

    #0B1601

    oklch(18.3% 0.046 130.3)

  • #001615

    #001615

    oklch(18.1% 0.031 191)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0918

    #1F0918

    oklch(18.3% 0.045 341.1)

  • #161200

    #161200

    oklch(18.2% 0.038 99.5)

  • #00151D

    #00151D

    oklch(18.2% 0.034 223.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0918

    #1F0918

    oklch(18.3% 0.045 341.1)

  • #1D0F00

    #1D0F00

    oklch(18.4% 0.039 71.9)

  • #00180C

    #00180C

    oklch(18.4% 0.042 160.2)

  • #021325

    #021325

    oklch(18.3% 0.045 249.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0918, closest first.

Similar named colors

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

Use #1F0918 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.