#633016
Closest named color: Chestnut (#742802). oklch(37.2% 0.083 45.8), rgb(99, 48, 22).
Aa
White text reads best on this color (10.68:1).
About this color
#633016 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.083 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 10.68:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #633016 |
| RGB | rgb(99, 48, 22) |
| HSL | hsl(20, 64%, 24%) |
| OKLCH | oklch(37.2% 0.083 45.8) |
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 #633016 | 10.68:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #633016 | 1.96:1 | Fails | Lc 9.5 | Not readable |
| #633016 text on white | 10.68:1 | AAA | Lc 94.4 | Preferred for body text |
| #633016 text on black | 1.96:1 | Fails | Lc -8.2 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EED3C7
oklch(88.6% 0.034 45.5)
-
Step 300
300
#E4B59F
oklch(81% 0.063 46.4)
-
Step 400
400
#D48D6B
oklch(70.7% 0.099 46.3)
-
Step 500
500
#C76E42
oklch(63.1% 0.127 45.8)
-
Step 600
600
#B35420
oklch(55.7% 0.139 45.7)
-
Step 700
700
#994412
oklch(49.1% 0.128 46)
-
Step 800
800
#7D3813
oklch(42.7% 0.107 45.3)
-
Step 900
900 (this color)
#633016
oklch(37.2% 0.083 45.8)
-
Step 950
950
#3B1D0F
oklch(26.9% 0.053 44.9)
#633016 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) | #3E3713 | 0.075 |
| Deuteranopia (no green cones) | #4B4215 | 0.067 |
| Tritanopia (no blue cones) | #6D252A | 0.046 |
| Achromatopsia (no color) | #3E3E3E | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633016
#633016
oklch(37.2% 0.083 45.8)
- #00475D
#00475D
oklch(37.1% 0.071 226.8)
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 #633016, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Purple Brown #673A3F ΔE 0.056
- Reddy Brown #6E1005 ΔE 0.058
- Mud Brown #60460F ΔE 0.064
- Blood #770001 ΔE 0.073
- Maroon #800000 ΔE 0.079
- Claret #680018 ΔE 0.082
- Red Brown #8B2E16 ΔE 0.083
Use #633016 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.