#63211E
Closest named color: Reddy Brown (#6E1005). oklch(34.9% 0.096 25.9), rgb(99, 33, 30).
Aa
White text reads best on this color (11.88:1).
About this color
#63211E 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 11.88:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.76:1 |
| White text | 11.88:1 |
Values
| HEX | #63211E |
| RGB | rgb(99, 33, 30) |
| HSL | hsl(3, 53%, 25%) |
| OKLCH | oklch(34.9% 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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #63211E | 11.88:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #63211E | 1.76:1 | Fails | Lc 7.3 | Not readable |
| #63211E text on white | 11.88:1 | AAA | Lc 96.5 | Preferred for body text |
| #63211E text on black | 1.76:1 | 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
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#ECAFA8
oklch(80.9% 0.073 26.2)
-
Step 400
400
#E0837A
oklch(70.8% 0.116 26.3)
-
Step 500
500
#D46059
oklch(63.1% 0.148 25.7)
-
Step 600
600
#BF433E
oklch(55.5% 0.16 26)
-
Step 700
700
#A53430
oklch(49.2% 0.149 26.2)
-
Step 800
800
#862C29
oklch(42.7% 0.124 25.7)
-
Step 900
900 (this color)
#63211E
oklch(34.9% 0.096 25.9)
-
Step 950
950
#3F1916
oklch(27% 0.06 26.4)
#63211E 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) | #322E1D | 0.103 |
| Deuteranopia (no green cones) | #433C1C | 0.093 |
| Tritanopia (no blue cones) | #6D1321 | 0.030 |
| Achromatopsia (no color) | #373737 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63211E
#63211E
oklch(34.9% 0.096 25.9)
- #004349
#004349
oklch(34.9% 0.06 204.9)
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 #63211E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.034
- Claret #680018 ΔE 0.043
- Chestnut #742802 ΔE 0.051
- Blood #770001 ΔE 0.051
- Burgundy #610023 ΔE 0.055
- Wine Red #7B0323 ΔE 0.058
- Maroon #800000 ΔE 0.065
- Bordeaux #7B002C ΔE 0.065
Use #63211E 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.