#631914

Closest named color: Reddy Brown (#6E1005). oklch(33.7% 0.107 28.1), rgb(99, 25, 20).

Aa

White text reads best on this color (12.50:1).

About this color

#631914 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.107 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.025 away. White text reads best on it, at 12.50:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.107)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.67:1
White text12.50:1

Values

HEX#631914
RGBrgb(99, 25, 20)
HSLhsl(4, 66%, 23%)
OKLCHoklch(33.7% 0.107 28.1)

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 #631914 12.50:1 AAA Lc -101.0 Preferred for body text
Black text on #631914 1.67:1 Fails Lc 0.0 Not readable
#631914 text on white 12.50:1 AAA Lc 97.4 Preferred for body text
#631914 text on black 1.67:1 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 900.

  1. Step 50

    50

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #F9E4E1

    oklch(93.5% 0.023 27.3)

  3. Step 200

    200

    #F5CFC9

    oklch(88.5% 0.044 28.5)

  4. Step 300

    300

    #F0ADA4

    oklch(80.8% 0.08 27.6)

  5. Step 400

    400

    #E67F73

    oklch(70.7% 0.129 27.7)

  6. Step 500

    500

    #DB5A4E

    oklch(63.1% 0.164 28)

  7. Step 600

    600

    #C63A31

    oklch(55.5% 0.178 28.1)

  8. Step 700

    700

    #AB2B24

    oklch(49.2% 0.166 28.1)

  9. Step 800

    800

    #8B261F

    oklch(42.8% 0.137 28.3)

  10. Step 900

    900 (this color)

    #631914

    oklch(33.7% 0.107 28.1)

  11. Step 950

    950

    #421713

    oklch(27.1% 0.068 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#631914 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)#2E29130.115
Deuteranopia (no green cones)#413A110.105
Tritanopia (no blue cones)#6E01190.035
Achromatopsia (no color)#3434340.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #631914

    #631914

    oklch(33.7% 0.107 28.1)

  • #003F47

    #003F47

    oklch(33.7% 0.058 208.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #631914

    #631914

    oklch(33.7% 0.107 28.1)

  • #5F1837

    #5F1837

    oklch(33.7% 0.107 357.8)

  • #552A00

    #552A00

    oklch(33.6% 0.081 57.4)

Open the analogous palette in the generator

Split complementary

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

  • #631914

    #631914

    oklch(33.7% 0.107 28.1)

  • #004137

    #004137

    oklch(33.6% 0.062 178.3)

  • #003C59

    #003C59

    oklch(33.8% 0.075 237.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #631914

    #631914

    oklch(33.7% 0.107 28.1)

  • #004417

    #004417

    oklch(33.7% 0.097 148.3)

  • #20316D

    #20316D

    oklch(33.6% 0.106 268.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #631914

    #631914

    oklch(33.7% 0.107 28.1)

  • #343C00

    #343C00

    oklch(33.7% 0.078 117.8)

  • #003F47

    #003F47

    oklch(33.7% 0.058 208.9)

  • #3F2766

    #3F2766

    oklch(33.7% 0.107 298)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #631914, closest first.

Similar named colors

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

Use #631914 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.