#64221D
Closest named color: Reddy Brown (#6E1005). oklch(35.2% 0.097 27.4), rgb(100, 34, 29).
Aa
White text reads best on this color (11.74:1).
About this color
#64221D is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.097 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.033 away. White text reads best on it, at 11.74:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #64221D |
| RGB | rgb(100, 34, 29) |
| HSL | hsl(4, 55%, 25%) |
| OKLCH | oklch(35.2% 0.097 27.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #64221D | 11.74:1 | AAA | Lc -100.0 | Preferred for body text |
| Black text on #64221D | 1.78:1 | Fails | Lc 7.6 | Not readable |
| #64221D text on white | 11.74:1 | AAA | Lc 96.3 | Preferred for body text |
| #64221D text on black | 1.78:1 | 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.
-
Step 50
50
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#ECAFA7
oklch(80.8% 0.073 27.2)
-
Step 400
400
#E08378
oklch(70.7% 0.117 27.5)
-
Step 500
500
#D46056
oklch(63% 0.149 27.1)
-
Step 600
600
#BF433B
oklch(55.5% 0.161 27.3)
-
Step 700
700
#A5342D
oklch(49.2% 0.15 27.5)
-
Step 800
800
#862C26
oklch(42.7% 0.125 27.4)
-
Step 900
900 (this color)
#64221D
oklch(35.2% 0.097 27.4)
-
Step 950
950
#3F1915
oklch(26.9% 0.06 27.9)
#64221D 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #342F1C | 0.101 |
| Deuteranopia (no green cones) | #443D1B | 0.093 |
| Tritanopia (no blue cones) | #6E1321 | 0.032 |
| Achromatopsia (no color) | #383838 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64221D
#64221D
oklch(35.2% 0.097 27.4)
- #00434B
#00434B
oklch(35% 0.06 208.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #64221D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.033
- Claret #680018 ΔE 0.046
- Chestnut #742802 ΔE 0.047
- Blood #770001 ΔE 0.050
- Burgundy #610023 ΔE 0.058
- Wine Red #7B0323 ΔE 0.058
- Maroon #800000 ΔE 0.063
- Bordeaux #7B002C ΔE 0.065
Use #64221D 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.