#651B13

Closest named color: Reddy Brown (#6E1005). oklch(34.3% 0.108 29.8), rgb(101, 27, 19).

Aa

White text reads best on this color (12.21:1).

About this color

#651B13 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.108 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.022 away. White text reads best on it, at 12.21:1.

Hue familyReds
Lightnessdark (34%)
Chromamoderately saturated (0.108)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.71:1
White text12.21:1

Values

HEX#651B13
RGBrgb(101, 27, 19)
HSLhsl(6, 68%, 24%)
OKLCHoklch(34.3% 0.108 29.8)

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 #651B13 12.21:1 AAA Lc -100.6 Preferred for body text
Black text on #651B13 1.71:1 Fails Lc 0.0 Not readable
#651B13 text on white 12.21:1 AAA Lc 96.9 Preferred for body text
#651B13 text on black 1.71:1 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

    #F9E5E1

    oklch(93.7% 0.023 31.1)

  3. Step 200

    200

    #F5CFC8

    oklch(88.5% 0.044 30.2)

  4. Step 300

    300

    #F0ADA2

    oklch(80.8% 0.081 29.4)

  5. Step 400

    400

    #E67F70

    oklch(70.7% 0.13 29.4)

  6. Step 500

    500

    #DB5A4A

    oklch(63% 0.165 29.6)

  7. Step 600

    600

    #C63A2C

    oklch(55.5% 0.179 29.6)

  8. Step 700

    700

    #AB2B1E

    oklch(49.1% 0.167 29.9)

  9. Step 800

    800

    #8B261B

    oklch(42.7% 0.138 30)

  10. Step 900

    900 (this color)

    #651B13

    oklch(34.3% 0.108 29.8)

  11. Step 950

    950

    #421711

    oklch(27% 0.068 30.2)

Export this scale for Tailwind in the Tailwind colors tool

#651B13 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)#302B110.114
Deuteranopia (no green cones)#433B100.103
Tritanopia (no blue cones)#70031A0.036
Achromatopsia (no color)#3535350.108

Harmonies

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

Complementary

The opposite hue (180°).

  • #651B13

    #651B13

    oklch(34.3% 0.108 29.8)

  • #004149

    #004149

    oklch(34.3% 0.059 208.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #651B13

    #651B13

    oklch(34.3% 0.108 29.8)

  • #621937

    #621937

    oklch(34.3% 0.108 359.5)

  • #562C00

    #562C00

    oklch(34.2% 0.081 59.2)

Open the analogous palette in the generator

Split complementary

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

  • #651B13

    #651B13

    oklch(34.3% 0.108 29.8)

  • #00433A

    #00433A

    oklch(34.3% 0.062 180.2)

  • #003D5D

    #003D5D

    oklch(34.3% 0.079 240)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #651B13

    #651B13

    oklch(34.3% 0.108 29.8)

  • #00451B

    #00451B

    oklch(34.1% 0.094 149.8)

  • #233270

    #233270

    oklch(34.2% 0.109 269.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #651B13

    #651B13

    oklch(34.3% 0.108 29.8)

  • #343E00

    #343E00

    oklch(34.2% 0.081 119.4)

  • #004149

    #004149

    oklch(34.3% 0.059 208.5)

  • #422867

    #422867

    oklch(34.3% 0.107 299.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #651B13, closest first.

Similar named colors

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

Use #651B13 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.