#310115

Closest named color: Dark Maroon (#3C0008). oklch(20.4% 0.08 0.7), rgb(49, 1, 21).

Aa

White text reads best on this color (18.32:1).

About this color

#310115 is a very dark, moderately saturated red. In OKLCH its lightness is 20%, its chroma 0.080 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.037 away. White text reads best on it, at 18.32:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamoderately saturated (0.080)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.14:1
White text18.32:1

Values

HEX#310115
RGBrgb(49, 1, 21)
HSLhsl(335, 96%, 10%)
OKLCHoklch(20.4% 0.08 0.7)

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 #310115 18.32:1 AAA Lc -106.5 Preferred for body text
Black text on #310115 1.14:1 Fails Lc 0.0 Not readable
#310115 text on white 18.32:1 AAA Lc 104.2 Preferred for body text
#310115 text on black 1.14:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #FBE3E9

    oklch(93.7% 0.027 0.7)

  3. Step 200

    200

    #F8CBD7

    oklch(88.4% 0.053 0.4)

  4. Step 300

    300

    #F4A7BD

    oklch(80.9% 0.094 0.8)

  5. Step 400

    400

    #EB749B

    oklch(70.7% 0.152 1)

  6. Step 500

    500

    #E14883

    oklch(63.2% 0.194 0.8)

  7. Step 600

    600

    #CC1D6D

    oklch(55.7% 0.211 0.7)

  8. Step 700

    700

    #B0065B

    oklch(49.2% 0.196 0.6)

  9. Step 800

    800

    #8F104A

    oklch(42.8% 0.163 0.9)

  10. Step 900

    900

    #73193E

    oklch(37.7% 0.127 0.7)

  11. Step 950

    950 (this color)

    #310115

    oklch(20.4% 0.08 0.7)

Export this scale for Tailwind in the Tailwind colors tool

#310115 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)#0B0E150.092
Deuteranopia (no green cones)#1918140.081
Tritanopia (no blue cones)#3600090.025
Achromatopsia (no color)#1515150.081

Harmonies

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

Complementary

The opposite hue (180°).

  • #310115

    #310115

    oklch(20.4% 0.08 0.7)

  • #001C18

    #001C18

    oklch(20.3% 0.036 182.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #310115

    #310115

    oklch(20.4% 0.08 0.7)

  • #2A0427

    #2A0427

    oklch(20.4% 0.08 331.5)

  • #330200

    #330200

    oklch(20.5% 0.08 31.1)

Open the analogous palette in the generator

Split complementary

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

  • #310115

    #310115

    oklch(20.4% 0.08 0.7)

  • #001E09

    #001E09

    oklch(20.6% 0.055 150.9)

  • #001B20

    #001B20

    oklch(20.4% 0.035 211.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #310115

    #310115

    oklch(20.4% 0.08 0.7)

  • #141A00

    #141A00

    oklch(20.4% 0.049 120.6)

  • #00192A

    #00192A

    oklch(20.4% 0.047 240.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #310115

    #310115

    oklch(20.4% 0.08 0.7)

  • #1E1600

    #1E1600

    oklch(20.4% 0.042 91.4)

  • #001C18

    #001C18

    oklch(20.3% 0.036 182.1)

  • #0B113B

    #0B113B

    oklch(20.5% 0.081 271.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #310115, closest first.

Similar named colors

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

Use #310115 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.