#55221B
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.078 29.8), rgb(85, 34, 27).
Aa
White text reads best on this color (12.87:1).
About this color
#55221B is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.078 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.056 away. White text reads best on it, at 12.87:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #55221B |
| RGB | rgb(85, 34, 27) |
| HSL | hsl(7, 52%, 22%) |
| OKLCH | oklch(32.5% 0.078 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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #55221B | 12.87:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #55221B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #55221B text on white | 12.87:1 | AAA | Lc 98.6 | Preferred for body text |
| #55221B text on black | 1.63:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EED2CD
oklch(88.6% 0.032 29.8)
-
Step 300
300
#E4B3AB
oklch(80.9% 0.059 29.1)
-
Step 400
400
#D48A7E
oklch(70.6% 0.093 29.7)
-
Step 500
500
#C76B5E
oklch(63% 0.119 29.2)
-
Step 600
600
#B25144
oklch(55.5% 0.129 29.6)
-
Step 700
700
#994135
oklch(49% 0.121 29.9)
-
Step 800
800
#7C362D
oklch(42.6% 0.1 29.3)
-
Step 900
900 (this color)
#55221B
oklch(32.5% 0.078 29.8)
-
Step 950
950
#3B1C18
oklch(26.9% 0.05 28.5)
#55221B 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) | #2F2B1A | 0.080 |
| Deuteranopia (no green cones) | #3C361A | 0.074 |
| Tritanopia (no blue cones) | #5E1820 | 0.029 |
| Achromatopsia (no color) | #323232 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55221B
#55221B
oklch(32.5% 0.078 29.8)
- #003C44
#003C44
oklch(32.6% 0.056 209.4)
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 #55221B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.056
- Claret #680018 ΔE 0.057
- Burgundy #610023 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.061
- Mahogany #4A0100 ΔE 0.072
- Chestnut #742802 ΔE 0.075
- Blood #770001 ΔE 0.076
- Purple Brown #673A3F ΔE 0.084
Use #55221B 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.