#651B3A

Closest named color: Merlot (#730039). oklch(35.2% 0.11 358.8), rgb(101, 27, 58).

Aa

White text reads best on this color (11.85:1).

About this color

#651B3A is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.110 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Merlot (#730039), ΔE 0.037 away. White text reads best on it, at 11.85:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.110)
Temperaturewarm
Nearest nameMerlot (#730039)
Black text1.77:1
White text11.85:1

Values

HEX#651B3A
RGBrgb(101, 27, 58)
HSLhsl(335, 58%, 25%)
OKLCHoklch(35.2% 0.11 358.8)

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 #651B3A 11.85:1 AAA Lc -100.0 Preferred for body text
Black text on #651B3A 1.77:1 Fails Lc 7.5 Not readable
#651B3A text on white 11.85:1 AAA Lc 96.3 Preferred for body text
#651B3A text on black 1.77:1 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

    #FCF3F5

    oklch(97.2% 0.01 2)

  2. Step 100

    100

    #F8E4E9

    oklch(93.6% 0.023 0.5)

  3. Step 200

    200

    #F4CDD8

    oklch(88.5% 0.046 359.2)

  4. Step 300

    300

    #EDABC0

    oklch(80.9% 0.082 358.3)

  5. Step 400

    400

    #E17B9F

    oklch(70.6% 0.132 358.5)

  6. Step 500

    500

    #D65588

    oklch(63.1% 0.169 358.5)

  7. Step 600

    600

    #C13571

    oklch(55.6% 0.183 358.9)

  8. Step 700

    700

    #A6265F

    oklch(49.1% 0.169 358.8)

  9. Step 800

    800

    #87224E

    oklch(42.8% 0.141 358.5)

  10. Step 900

    900 (this color)

    #651B3A

    oklch(35.2% 0.11 358.8)

  11. Step 950

    950

    #401526

    oklch(27% 0.07 358.2)

Export this scale for Tailwind in the Tailwind colors tool

#651B3A 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)#2A2E3B0.122
Deuteranopia (no green cones)#3E3C380.109
Tritanopia (no blue cones)#6E12280.034
Achromatopsia (no color)#3737370.111

Harmonies

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

Complementary

The opposite hue (180°).

  • #651B3A

    #651B3A

    oklch(35.2% 0.11 358.8)

  • #00463C

    #00463C

    oklch(35.3% 0.064 179.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #651B3A

    #651B3A

    oklch(35.2% 0.11 358.8)

  • #582157

    #582157

    oklch(35.2% 0.11 328.3)

  • #691D16

    #691D16

    oklch(35.3% 0.11 29)

Open the analogous palette in the generator

Split complementary

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

  • #651B3A

    #651B3A

    oklch(35.2% 0.11 358.8)

  • #00481A

    #00481A

    oklch(35.1% 0.1 148.7)

  • #00444C

    #00444C

    oklch(35.4% 0.061 208)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #651B3A

    #651B3A

    oklch(35.2% 0.11 358.8)

  • #374100

    #374100

    oklch(35.4% 0.083 119.1)

  • #00405F

    #00405F

    oklch(35.3% 0.078 238.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #651B3A

    #651B3A

    oklch(35.2% 0.11 358.8)

  • #4A3800

    #4A3800

    oklch(35.1% 0.072 88.5)

  • #00463C

    #00463C

    oklch(35.3% 0.064 179.2)

  • #243573

    #243573

    oklch(35.2% 0.109 268.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #651B3A, closest first.

Similar named colors

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

Use #651B3A 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.