#1F0010

Closest named color: Very Dark Brown (#1D0200). oklch(15.7% 0.065 351.1), rgb(31, 0, 16).

Aa

White text reads best on this color (19.70:1).

About this color

#1F0010 is a very dark, muted red. In OKLCH its lightness is 16%, its chroma 0.065 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.046 away. White text reads best on it, at 19.70:1.

Hue familyReds
Lightnessvery dark (16%)
Chromamuted (0.065)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.06:1
White text19.70:1

Values

HEX#1F0010
RGBrgb(31, 0, 16)
HSLhsl(329, 100%, 6%)
OKLCHoklch(15.7% 0.065 351.1)

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 #1F0010 19.70:1 AAA Lc -107.4 Preferred for body text
Black text on #1F0010 1.06:1 Fails Lc 0.0 Not readable
#1F0010 text on white 19.70:1 AAA Lc 105.4 Preferred for body text
#1F0010 text on black 1.06:1 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

    #FBF3F6

    oklch(97.1% 0.009 352.4)

  2. Step 100

    100

    #F7E4EC

    oklch(93.6% 0.023 350.1)

  3. Step 200

    200

    #F1CEDC

    oklch(88.5% 0.043 352)

  4. Step 300

    300

    #E8ACC7

    oklch(80.8% 0.078 350.3)

  5. Step 400

    400

    #DA7FAA

    oklch(70.7% 0.123 350.9)

  6. Step 500

    500

    #CE5B95

    oklch(63.1% 0.158 351.1)

  7. Step 600

    600

    #B93D7F

    oklch(55.6% 0.172 351.3)

  8. Step 700

    700

    #9F2E6C

    oklch(49.2% 0.16 350.9)

  9. Step 800

    800

    #812858

    oklch(42.7% 0.132 350.9)

  10. Step 900

    900

    #682648

    oklch(37.7% 0.103 351.1)

  11. Step 950

    950 (this color)

    #1F0010

    oklch(15.7% 0.065 351.1)

Export this scale for Tailwind in the Tailwind colors tool

#1F0010 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)#0307110.076
Deuteranopia (no green cones)#0D0D0F0.064
Tritanopia (no blue cones)#2200050.027
Achromatopsia (no color)#0B0B0B0.066

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0010

    #1F0010

    oklch(15.7% 0.065 351.1)

  • #00110B

    #00110B

    oklch(15.8% 0.031 170.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0010

    #1F0010

    oklch(15.7% 0.065 351.1)

  • #18021D

    #18021D

    oklch(15.7% 0.065 320.4)

  • #210003

    #210003

    oklch(15.7% 0.063 19.6)

Open the analogous palette in the generator

Split complementary

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

  • #1F0010

    #1F0010

    oklch(15.7% 0.065 351.1)

  • #011200

    #011200

    oklch(15.9% 0.052 141)

  • #001011

    #001011

    oklch(15.7% 0.027 199.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0010

    #1F0010

    oklch(15.7% 0.065 351.1)

  • #0D0E00

    #0D0E00

    oklch(15.7% 0.035 112.5)

  • #000F18

    #000F18

    oklch(15.8% 0.032 231.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0010

    #1F0010

    oklch(15.7% 0.065 351.1)

  • #140B00

    #140B00

    oklch(15.8% 0.033 80.4)

  • #00110B

    #00110B

    oklch(15.8% 0.031 170.9)

  • #000A28

    #000A28

    oklch(15.8% 0.066 260.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0010, closest first.

Similar named colors

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

Use #1F0010 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.