#1C0318

Closest named color: Very Dark Brown (#1D0200). oklch(16.4% 0.059 334.4), rgb(28, 3, 24).

Aa

White text reads best on this color (19.52:1).

About this color

#1C0318 is a very dark, muted purple. In OKLCH its lightness is 16%, its chroma 0.059 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.058 away. White text reads best on it, at 19.52:1.

Hue familyPurples
Lightnessvery dark (16%)
Chromamuted (0.059)
Temperaturein between
Nearest nameVery Dark Brown (#1D0200)
Black text1.07:1
White text19.52:1

Values

HEX#1C0318
RGBrgb(28, 3, 24)
HSLhsl(310, 81%, 6%)
OKLCHoklch(16.4% 0.059 334.4)

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 #1C0318 19.52:1 AAA Lc -107.4 Preferred for body text
Black text on #1C0318 1.07:1 Fails Lc 0.0 Not readable
#1C0318 text on white 19.52:1 AAA Lc 105.4 Preferred for body text
#1C0318 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

    #FAF3F8

    oklch(97.1% 0.01 335.5)

  2. Step 100

    100

    #F3E5EF

    oklch(93.6% 0.02 335.7)

  3. Step 200

    200

    #EAD0E4

    oklch(88.5% 0.039 333.8)

  4. Step 300

    300

    #DDB0D3

    oklch(80.8% 0.07 334.1)

  5. Step 400

    400

    #CB85BD

    oklch(70.6% 0.112 334.2)

  6. Step 500

    500

    #BC65AC

    oklch(63.1% 0.142 334.4)

  7. Step 600

    600

    #A74A98

    oklch(55.6% 0.155 334.1)

  8. Step 700

    700

    #8F3B81

    oklch(49.1% 0.143 334.5)

  9. Step 800

    800

    #743169

    oklch(42.6% 0.119 334.2)

  10. Step 900

    900

    #5E2C55

    oklch(37.6% 0.093 334.5)

  11. Step 950

    950 (this color)

    #1C0318

    oklch(16.4% 0.059 334.4)

Export this scale for Tailwind in the Tailwind colors tool

#1C0318 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)#030A190.063
Deuteranopia (no green cones)#0A0E170.055
Tritanopia (no blue cones)#1E040B0.030
Achromatopsia (no color)#0C0C0C0.060

Harmonies

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

Complementary

The opposite hue (180°).

  • #1C0318

    #1C0318

    oklch(16.4% 0.059 334.4)

  • #001306

    #001306

    oklch(16.4% 0.041 154.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1C0318

    #1C0318

    oklch(16.4% 0.059 334.4)

  • #140622

    #140622

    oklch(16.5% 0.058 304.2)

  • #21020B

    #21020B

    oklch(16.5% 0.058 4.8)

Open the analogous palette in the generator

Split complementary

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

  • #1C0318

    #1C0318

    oklch(16.4% 0.059 334.4)

  • #0A1100

    #0A1100

    oklch(16.4% 0.041 125.2)

  • #00120F

    #00120F

    oklch(16.4% 0.029 182.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1C0318

    #1C0318

    oklch(16.4% 0.059 334.4)

  • #130E00

    #130E00

    oklch(16.5% 0.034 95)

  • #001116

    #001116

    oklch(16.4% 0.029 216.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1C0318

    #1C0318

    oklch(16.4% 0.059 334.4)

  • #190A00

    #190A00

    oklch(16.4% 0.037 63.9)

  • #001306

    #001306

    oklch(16.4% 0.041 154.1)

  • #000F1E

    #000F1E

    oklch(16.3% 0.041 244.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C0318, closest first.

Similar named colors

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

Use #1C0318 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.