#633024
Closest named color: Chestnut (#742802). oklch(37.4% 0.077 34.4), rgb(99, 48, 36).
Aa
White text reads best on this color (10.61:1).
About this color
#633024 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.077 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.042 away. White text reads best on it, at 10.61:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #633024 |
| RGB | rgb(99, 48, 36) |
| HSL | hsl(11, 47%, 26%) |
| OKLCH | oklch(37.4% 0.077 34.4) |
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 #633024 | 10.61:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #633024 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #633024 text on white | 10.61:1 | AAA | Lc 94.3 | Preferred for body text |
| #633024 text on black | 1.97:1 | Fails | Lc -8.3 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EDD2CB
oklch(88.4% 0.032 34.9)
-
Step 300
300
#E3B4A8
oklch(80.9% 0.058 34.7)
-
Step 400
400
#D38C7A
oklch(70.7% 0.091 34.9)
-
Step 500
500
#C66D58
oklch(63.1% 0.118 34.3)
-
Step 600
600
#B1533D
oklch(55.5% 0.128 34.4)
-
Step 700
700
#98432F
oklch(49.1% 0.119 34.6)
-
Step 800
800
#7C3828
oklch(42.8% 0.099 34.5)
-
Step 900
900 (this color)
#633024
oklch(37.4% 0.077 34.4)
-
Step 950
950
#3B1D16
oklch(27% 0.049 34.1)
#633024 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) | #3D3823 | 0.076 |
| Deuteranopia (no green cones) | #494323 | 0.072 |
| Tritanopia (no blue cones) | #6C272D | 0.033 |
| Achromatopsia (no color) | #3F3F3F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633024
#633024
oklch(37.4% 0.077 34.4)
- #004956
#004956
oklch(37.3% 0.066 214.7)
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 #633024, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.042
- Purple Brown #673A3F ΔE 0.042
- Reddy Brown #6E1005 ΔE 0.058
- Blood #770001 ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Claret #680018 ΔE 0.077
- Wine Red #7B0323 ΔE 0.077
- Maroon #800000 ΔE 0.078
Use #633024 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.