#1F0515

Closest named color: Very Dark Brown (#1D0200). oklch(17.3% 0.053 345.3), rgb(31, 5, 21).

Aa

White text reads best on this color (19.25:1).

About this color

#1F0515 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.053 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.049 away. White text reads best on it, at 19.25:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.25:1

Values

HEX#1F0515
RGBrgb(31, 5, 21)
HSLhsl(323, 72%, 7%)
OKLCHoklch(17.3% 0.053 345.3)

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 #1F0515 19.25:1 AAA Lc -107.4 Preferred for body text
Black text on #1F0515 1.09:1 Fails Lc 0.0 Not readable
#1F0515 text on white 19.25:1 AAA Lc 105.3 Preferred for body text
#1F0515 text on black 1.09:1 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

    #FAF3F7

    oklch(97.1% 0.009 341.8)

  2. Step 100

    100

    #F3E5EC

    oklch(93.5% 0.018 345.6)

  3. Step 200

    200

    #EBD0DE

    oklch(88.4% 0.035 345.2)

  4. Step 300

    300

    #DFB1CA

    oklch(80.9% 0.062 344.8)

  5. Step 400

    400

    #CE87AF

    oklch(70.8% 0.101 345.1)

  6. Step 500

    500

    #BF679B

    oklch(63.1% 0.129 345)

  7. Step 600

    600

    #AA4D85

    oklch(55.6% 0.139 345.4)

  8. Step 700

    700

    #923D71

    oklch(49.1% 0.13 345.3)

  9. Step 800

    800

    #76335C

    oklch(42.6% 0.107 344.9)

  10. Step 900

    900

    #602D4B

    oklch(37.6% 0.084 345.6)

  11. Step 950

    950 (this color)

    #1F0515

    oklch(17.3% 0.053 345.3)

Export this scale for Tailwind in the Tailwind colors tool

#1F0515 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)#070B160.058
Deuteranopia (no green cones)#0F10140.051
Tritanopia (no blue cones)#22050B0.023
Achromatopsia (no color)#0E0E0E0.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0515

    #1F0515

    oklch(17.3% 0.053 345.3)

  • #00150C

    #00150C

    oklch(17.3% 0.037 164.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0515

    #1F0515

    oklch(17.3% 0.053 345.3)

  • #18071F

    #18071F

    oklch(17.1% 0.053 315.1)

  • #220408

    #220408

    oklch(17.1% 0.053 15)

Open the analogous palette in the generator

Split complementary

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

  • #1F0515

    #1F0515

    oklch(17.3% 0.053 345.3)

  • #061400

    #061400

    oklch(17.1% 0.05 134.5)

  • #001414

    #001414

    oklch(17.3% 0.03 194.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0515

    #1F0515

    oklch(17.3% 0.053 345.3)

  • #121100

    #121100

    oklch(17.3% 0.037 107.2)

  • #00131B

    #00131B

    oklch(17.4% 0.033 225.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0515

    #1F0515

    oklch(17.3% 0.053 345.3)

  • #190D00

    #190D00

    oklch(17.2% 0.036 74.5)

  • #00150C

    #00150C

    oklch(17.3% 0.037 164.8)

  • #011026

    #011026

    oklch(17.4% 0.052 254.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0515, closest first.

Similar named colors

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

Use #1F0515 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.