#64221F

Closest named color: Reddy Brown (#6E1005). oklch(35.2% 0.096 25.9), rgb(100, 34, 31).

Aa

White text reads best on this color (11.72:1).

About this color

#64221F is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.096 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.034 away. White text reads best on it, at 11.72:1.

Hue familyReds
Lightnessdark (35%)
Chromamoderately saturated (0.096)
Temperaturewarm
Nearest nameReddy Brown (#6E1005)
Black text1.79:1
White text11.72:1

Values

HEX#64221F
RGBrgb(100, 34, 31)
HSLhsl(3, 53%, 26%)
OKLCHoklch(35.2% 0.096 25.9)

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 #64221F 11.72:1 AAA Lc -100.0 Preferred for body text
Black text on #64221F 1.79:1 Fails Lc 7.6 Not readable
#64221F text on white 11.72:1 AAA Lc 96.3 Preferred for body text
#64221F text on black 1.79:1 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

    #F8E5E3

    oklch(93.7% 0.021 24.8)

  3. Step 200

    200

    #F3D0CB

    oklch(88.6% 0.04 27.5)

  4. Step 300

    300

    #ECAFA9

    oklch(80.9% 0.072 25.2)

  5. Step 400

    400

    #DF837B

    oklch(70.7% 0.115 25.7)

  6. Step 500

    500

    #D46059

    oklch(63.1% 0.148 25.7)

  7. Step 600

    600

    #BF433E

    oklch(55.5% 0.16 26)

  8. Step 700

    700

    #A53431

    oklch(49.2% 0.149 25.8)

  9. Step 800

    800

    #862C29

    oklch(42.7% 0.124 25.7)

  10. Step 900

    900 (this color)

    #64221F

    oklch(35.2% 0.096 25.9)

  11. Step 950

    950

    #3F1916

    oklch(27% 0.06 26.4)

Export this scale for Tailwind in the Tailwind colors tool

#64221F 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)#332F1E0.103
Deuteranopia (no green cones)#443D1D0.093
Tritanopia (no blue cones)#6E14220.030
Achromatopsia (no color)#3838380.097

Harmonies

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

Complementary

The opposite hue (180°).

  • #64221F

    #64221F

    oklch(35.2% 0.096 25.9)

  • #00444A

    #00444A

    oklch(35.3% 0.06 204.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #64221F

    #64221F

    oklch(35.2% 0.096 25.9)

  • #60213D

    #60213D

    oklch(35.2% 0.097 355.6)

  • #5C2D00

    #5C2D00

    oklch(35.3% 0.086 56.3)

Open the analogous palette in the generator

Split complementary

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

  • #64221F

    #64221F

    oklch(35.2% 0.096 25.9)

  • #00463A

    #00463A

    oklch(35.2% 0.066 176.4)

  • #00405D

    #00405D

    oklch(35.2% 0.076 236.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #64221F

    #64221F

    oklch(35.2% 0.096 25.9)

  • #0E4818

    #0E4818

    oklch(35.3% 0.097 145.8)

  • #23376D

    #23376D

    oklch(35.1% 0.097 266.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #64221F

    #64221F

    oklch(35.2% 0.096 25.9)

  • #394000

    #394000

    oklch(35.3% 0.081 116.5)

  • #00444A

    #00444A

    oklch(35.3% 0.06 204.8)

  • #402E67

    #402E67

    oklch(35.2% 0.096 295.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64221F, closest first.

Similar named colors

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

Use #64221F 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.