#1F0502

Closest named color: Very Dark Brown (#1D0200). oklch(16.5% 0.049 33.6), rgb(31, 5, 2).

Aa

White text reads best on this color (19.42:1).

About this color

#1F0502 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.049 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.015 away. White text reads best on it, at 19.42:1.

Hue familyReds
Lightnessvery dark (16%)
Chromamuted (0.049)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.42:1

Values

HEX#1F0502
RGBrgb(31, 5, 2)
HSLhsl(6, 88%, 6%)
OKLCHoklch(16.5% 0.049 33.6)

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 #1F0502 19.42:1 AAA Lc -107.4 Preferred for body text
Black text on #1F0502 1.08:1 Fails Lc 0.0 Not readable
#1F0502 text on white 19.42:1 AAA Lc 105.4 Preferred for body text
#1F0502 text on black 1.08:1 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

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F5E6E3

    oklch(93.6% 0.017 31.1)

  3. Step 200

    200

    #EDD2CC

    oklch(88.5% 0.031 32.6)

  4. Step 300

    300

    #E3B4A9

    oklch(80.9% 0.057 33.4)

  5. Step 400

    400

    #D38B7B

    oklch(70.6% 0.092 33.1)

  6. Step 500

    500

    #C66D59

    oklch(63.1% 0.118 33.7)

  7. Step 600

    600

    #B1533F

    oklch(55.6% 0.127 33.4)

  8. Step 700

    700

    #984331

    oklch(49.1% 0.118 33.5)

  9. Step 800

    800

    #7C3829

    oklch(42.8% 0.098 33.8)

  10. Step 900

    900

    #643125

    oklch(37.8% 0.077 34.4)

  11. Step 950

    950 (this color)

    #1F0502

    oklch(16.5% 0.049 33.6)

Export this scale for Tailwind in the Tailwind colors tool

#1F0502 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)#0C09020.049
Deuteranopia (no green cones)#120F020.045
Tritanopia (no blue cones)#2301040.019
Achromatopsia (no color)#0D0D0D0.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0502

    #1F0502

    oklch(16.5% 0.049 33.6)

  • #001116

    #001116

    oklch(16.4% 0.029 216.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0502

    #1F0502

    oklch(16.5% 0.049 33.6)

  • #1E040C

    #1E040C

    oklch(16.4% 0.049 2.9)

  • #190A00

    #190A00

    oklch(16.4% 0.037 63.9)

Open the analogous palette in the generator

Split complementary

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

  • #1F0502

    #1F0502

    oklch(16.5% 0.049 33.6)

  • #001210

    #001210

    oklch(16.4% 0.029 186.3)

  • #00101E

    #00101E

    oklch(16.6% 0.04 242.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0502

    #1F0502

    oklch(16.5% 0.049 33.6)

  • #001306

    #001306

    oklch(16.4% 0.041 154.1)

  • #080B23

    #080B23

    oklch(16.3% 0.05 274)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0502

    #1F0502

    oklch(16.5% 0.049 33.6)

  • #0B1100

    #0B1100

    oklch(16.5% 0.041 123.3)

  • #001116

    #001116

    oklch(16.4% 0.029 216.1)

  • #13081F

    #13081F

    oklch(16.5% 0.048 303.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0502, closest first.

Similar named colors

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

Use #1F0502 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.