#64211C

Closest named color: Reddy Brown (#6E1005). oklch(35% 0.098 27.5), rgb(100, 33, 28).

Aa

White text reads best on this color (11.82:1).

About this color

#64211C is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.098 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.032 away. White text reads best on it, at 11.82:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.098)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.77:1
White text11.82:1

Values

HEX#64211C
RGBrgb(100, 33, 28)
HSLhsl(4, 56%, 25%)
OKLCHoklch(35% 0.098 27.5)

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 #64211C 11.82:1 AAA Lc -100.1 Preferred for body text
Black text on #64211C 1.77:1 Fails Lc 7.5 Not readable
#64211C text on white 11.82:1 AAA Lc 96.4 Preferred for body text
#64211C 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

    #FCF3F2

    oklch(97.1% 0.01 25.1)

  2. Step 100

    100

    #F8E5E2

    oklch(93.6% 0.021 28.3)

  3. Step 200

    200

    #F3D0CA

    oklch(88.6% 0.04 29.4)

  4. Step 300

    300

    #EDAFA7

    oklch(81% 0.074 27.1)

  5. Step 400

    400

    #E08378

    oklch(70.7% 0.117 27.5)

  6. Step 500

    500

    #D56055

    oklch(63.1% 0.15 27.5)

  7. Step 600

    600

    #C0423A

    oklch(55.5% 0.163 27.3)

  8. Step 700

    700

    #A6332C

    oklch(49.2% 0.152 27.6)

  9. Step 800

    800

    #862B25

    oklch(42.6% 0.126 27.5)

  10. Step 900

    900 (this color)

    #64211C

    oklch(35% 0.098 27.5)

  11. Step 950

    950

    #401915

    oklch(27.1% 0.062 27.8)

Export this scale for Tailwind in the Tailwind colors tool

#64211C 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)#332E1B0.103
Deuteranopia (no green cones)#443D1A0.095
Tritanopia (no blue cones)#6E12200.031
Achromatopsia (no color)#3737370.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #64211C

    #64211C

    oklch(35% 0.098 27.5)

  • #00434B

    #00434B

    oklch(35% 0.06 208.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64211C

    #64211C

    oklch(35% 0.098 27.5)

  • #60203B

    #60203B

    oklch(35% 0.097 357.2)

  • #5A2D00

    #5A2D00

    oklch(35% 0.084 57.6)

Open the analogous palette in the generator

Split complementary

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

  • #64211C

    #64211C

    oklch(35% 0.098 27.5)

  • #00453A

    #00453A

    oklch(34.9% 0.064 177.6)

  • #003F5D

    #003F5D

    oklch(34.9% 0.077 237.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64211C

    #64211C

    oklch(35% 0.098 27.5)

  • #064719

    #064719

    oklch(34.9% 0.097 147.6)

  • #24366D

    #24366D

    oklch(35% 0.098 267.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64211C

    #64211C

    oklch(35% 0.098 27.5)

  • #374000

    #374000

    oklch(35.1% 0.082 118.3)

  • #00434B

    #00434B

    oklch(35% 0.06 208.2)

  • #412D66

    #412D66

    oklch(35% 0.097 297.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64211C, closest first.

Similar named colors

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

Use #64211C 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.