#1B041A

Closest named color: Very Dark Brown (#1D0200). oklch(16.5% 0.057 329.5), rgb(27, 4, 26).

Aa

White text reads best on this color (19.46:1).

About this color

#1B041A is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.057 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.061 away. White text reads best on it, at 19.46:1.

Hue familyPurples
Lightnessvery dark (17%)
Chromamuted (0.057)
Temperaturein between
Nearest nameVery Dark Brown (#1D0200)
Black text1.07:1
White text19.46:1

Values

HEX#1B041A
RGBrgb(27, 4, 26)
HSLhsl(303, 74%, 6%)
OKLCHoklch(16.5% 0.057 329.5)

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 #1B041A 19.46:1 AAA Lc -107.4 Preferred for body text
Black text on #1B041A 1.07:1 Fails Lc 0.0 Not readable
#1B041A text on white 19.46:1 AAA Lc 105.5 Preferred for body text
#1B041A text on black 1.07:1 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

    #F9F3F8

    oklch(97% 0.009 330.9)

  2. Step 100

    100

    #F2E5F0

    oklch(93.5% 0.02 330.7)

  3. Step 200

    200

    #E8D1E5

    oklch(88.5% 0.037 330.1)

  4. Step 300

    300

    #DAB1D6

    oklch(80.8% 0.068 329.4)

  5. Step 400

    400

    #C688C1

    oklch(70.7% 0.107 329.4)

  6. Step 500

    500

    #B768B2

    oklch(63.2% 0.139 329.4)

  7. Step 600

    600

    #A24E9D

    oklch(55.7% 0.15 329.6)

  8. Step 700

    700

    #8A3E86

    oklch(49.1% 0.139 329.5)

  9. Step 800

    800

    #70346D

    oklch(42.7% 0.115 329.3)

  10. Step 900

    900

    #5B2E58

    oklch(37.7% 0.089 329.7)

  11. Step 950

    950 (this color)

    #1B041A

    oklch(16.5% 0.057 329.5)

Export this scale for Tailwind in the Tailwind colors tool

#1B041A 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)#030B1B0.059
Deuteranopia (no green cones)#090E190.051
Tritanopia (no blue cones)#1C060D0.031
Achromatopsia (no color)#0D0D0D0.057

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B041A

    #1B041A

    oklch(16.5% 0.057 329.5)

  • #001404

    #001404

    oklch(16.7% 0.047 149.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B041A

    #1B041A

    oklch(16.5% 0.057 329.5)

  • #120723

    #120723

    oklch(16.5% 0.057 298.4)

  • #20020E

    #20020E

    oklch(16.4% 0.058 358)

Open the analogous palette in the generator

Split complementary

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

  • #1B041A

    #1B041A

    oklch(16.5% 0.057 329.5)

  • #0D1100

    #0D1100

    oklch(16.7% 0.039 119.2)

  • #00130F

    #00130F

    oklch(16.7% 0.031 179)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B041A

    #1B041A

    oklch(16.5% 0.057 329.5)

  • #140D00

    #140D00

    oklch(16.4% 0.033 88.3)

  • #001215

    #001215

    oklch(16.7% 0.029 207.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B041A

    #1B041A

    oklch(16.5% 0.057 329.5)

  • #1A0900

    #1A0900

    oklch(16.4% 0.039 58.5)

  • #001404

    #001404

    oklch(16.7% 0.047 149.3)

  • #00101D

    #00101D

    oklch(16.5% 0.038 240.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B041A, closest first.

Similar named colors

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

Use #1B041A 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.