#1F0429

Closest named color: Very Dark Purple (#2A0134). oklch(18.5% 0.076 315.5), rgb(31, 4, 41).

Aa

White text reads best on this color (18.95:1).

About this color

#1F0429 is a very dark, moderately saturated purple. In OKLCH its lightness is 19%, its chroma 0.076 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.034 away. White text reads best on it, at 18.95:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamoderately saturated (0.076)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.10:1
White text18.95:1

Values

HEX#1F0429
RGBrgb(31, 4, 41)
HSLhsl(284, 82%, 9%)
OKLCHoklch(18.5% 0.076 315.5)

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 #1F0429 18.95:1 AAA Lc -107.1 Preferred for body text
Black text on #1F0429 1.10:1 Fails Lc 0.0 Not readable
#1F0429 text on white 18.95:1 AAA Lc 105.0 Preferred for body text
#1F0429 text on black 1.10:1 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

    #F9F3FB

    oklch(97.1% 0.012 317.7)

  2. Step 100

    100

    #F1E5F6

    oklch(93.6% 0.026 316.1)

  3. Step 200

    200

    #E6D0F0

    oklch(88.5% 0.049 315.4)

  4. Step 300

    300

    #D7AFE9

    oklch(80.9% 0.091 315.2)

  5. Step 400

    400

    #C383DD

    oklch(70.8% 0.144 315.7)

  6. Step 500

    500

    #B35FD4

    oklch(63.1% 0.185 315.5)

  7. Step 600

    600

    #9E41C1

    oklch(55.5% 0.201 315.4)

  8. Step 700

    700

    #8732A7

    oklch(49.1% 0.187 315.2)

  9. Step 800

    800

    #6E2B87

    oklch(42.7% 0.154 315.5)

  10. Step 900

    900

    #59286C

    oklch(37.6% 0.121 315.4)

  11. Step 950

    950 (this color)

    #1F0429

    oklch(18.5% 0.076 315.5)

Export this scale for Tailwind in the Tailwind colors tool

#1F0429 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)#000F2A0.070
Deuteranopia (no green cones)#0311280.066
Tritanopia (no blue cones)#1E0B150.050
Achromatopsia (no color)#1010100.077

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0429

    #1F0429

    oklch(18.5% 0.076 315.5)

  • #071800

    #071800

    oklch(18.7% 0.055 135.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0429

    #1F0429

    oklch(18.5% 0.076 315.5)

  • #120932

    #120932

    oklch(18.5% 0.076 286.4)

  • #28011A

    #28011A

    oklch(18.6% 0.076 345.7)

Open the analogous palette in the generator

Split complementary

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

  • #1F0429

    #1F0429

    oklch(18.5% 0.076 315.5)

  • #151400

    #151400

    oklch(18.6% 0.04 107.4)

  • #00180E

    #00180E

    oklch(18.5% 0.039 164.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0429

    #1F0429

    oklch(18.5% 0.076 315.5)

  • #1D1000

    #1D1000

    oklch(18.7% 0.039 75.2)

  • #001717

    #001717

    oklch(18.5% 0.032 194.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0429

    #1F0429

    oklch(18.5% 0.076 315.5)

  • #250900

    #250900

    oklch(18.6% 0.053 45.2)

  • #071800

    #071800

    oklch(18.7% 0.055 135.4)

  • #00161F

    #00161F

    oklch(18.6% 0.036 225.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0429, closest first.

Similar named colors

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

Use #1F0429 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.