#1F091E

Closest named color: Very Dark Purple (#2A0134). oklch(18.6% 0.052 329.1), rgb(31, 9, 30).

Aa

White text reads best on this color (18.81:1).

About this color

#1F091E is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.052 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.054 away. White text reads best on it, at 18.81:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.052)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.11:1
White text18.81:1

Values

HEX#1F091E
RGBrgb(31, 9, 30)
HSLhsl(303, 55%, 8%)
OKLCHoklch(18.6% 0.052 329.1)

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 #1F091E 18.81:1 AAA Lc -107.2 Preferred for body text
Black text on #1F091E 1.11:1 Fails Lc 0.0 Not readable
#1F091E text on white 18.81:1 AAA Lc 105.1 Preferred for body text
#1F091E 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

    #F9F4F8

    oklch(97.2% 0.007 332.1)

  2. Step 100

    100

    #F1E6F0

    oklch(93.6% 0.018 328.5)

  3. Step 200

    200

    #E6D2E4

    oklch(88.5% 0.033 329)

  4. Step 300

    300

    #D8B3D4

    oklch(80.9% 0.061 329.7)

  5. Step 400

    400

    #C38ABF

    oklch(70.7% 0.099 329)

  6. Step 500

    500

    #B36CAE

    oklch(63.1% 0.125 329.5)

  7. Step 600

    600

    #9E529A

    oklch(55.6% 0.137 329.2)

  8. Step 700

    700

    #874283

    oklch(49.1% 0.127 329.5)

  9. Step 800

    800

    #6D376B

    oklch(42.6% 0.105 328.6)

  10. Step 900

    900

    #593057

    oklch(37.7% 0.083 328.8)

  11. Step 950

    950 (this color)

    #1F091E

    oklch(18.6% 0.052 329.1)

Export this scale for Tailwind in the Tailwind colors tool

#1F091E 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)#08101F0.051
Deuteranopia (no green cones)#0E131D0.047
Tritanopia (no blue cones)#200B120.028
Achromatopsia (no color)#1111110.052

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F091E

    #1F091E

    oklch(18.6% 0.052 329.1)

  • #001906

    #001906

    oklch(18.7% 0.051 149.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F091E

    #1F091E

    oklch(18.6% 0.052 329.1)

  • #160C26

    #160C26

    oklch(18.4% 0.052 299)

  • #240712

    #240712

    oklch(18.5% 0.052 359.5)

Open the analogous palette in the generator

Split complementary

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

  • #1F091E

    #1F091E

    oklch(18.6% 0.052 329.1)

  • #111500

    #111500

    oklch(18.5% 0.043 118.2)

  • #001813

    #001813

    oklch(18.7% 0.034 177.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F091E

    #1F091E

    oklch(18.6% 0.052 329.1)

  • #1A1200

    #1A1200

    oklch(18.7% 0.038 89.1)

  • #00171B

    #00171B

    oklch(18.7% 0.032 209.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F091E

    #1F091E

    oklch(18.6% 0.052 329.1)

  • #210D00

    #210D00

    oklch(18.6% 0.044 58.6)

  • #001906

    #001906

    oklch(18.7% 0.051 149.9)

  • #001523

    #001523

    oklch(18.6% 0.041 238.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F091E, closest first.

Similar named colors

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

Use #1F091E 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.