#633112
Closest named color: Chestnut (#742802). oklch(37.3% 0.084 49.3), rgb(99, 49, 18).
Aa
White text reads best on this color (10.61:1).
About this color
#633112 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.084 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.037 away. White text reads best on it, at 10.61:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #633112 |
| RGB | rgb(99, 49, 18) |
| HSL | hsl(23, 69%, 23%) |
| OKLCH | oklch(37.3% 0.084 49.3) |
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 #633112 | 10.61:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #633112 | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #633112 text on white | 10.61:1 | AAA | Lc 94.2 | Preferred for body text |
| #633112 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EDD3C5
oklch(88.5% 0.035 50.2)
-
Step 300
300
#E3B59D
oklch(80.8% 0.063 49)
-
Step 400
400
#D48D67
oklch(70.7% 0.101 48.7)
-
Step 500
500
#C66F3C
oklch(63% 0.128 49.2)
-
Step 600
600
#B25514
oklch(55.6% 0.14 49.2)
-
Step 700
700
#994503
oklch(49.2% 0.13 49.2)
-
Step 800
800
#7C390A
oklch(42.7% 0.108 49.1)
-
Step 900
900 (this color)
#633112
oklch(37.3% 0.084 49.3)
-
Step 950
950
#3B1E0D
oklch(27.1% 0.053 49.4)
#633112 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) | #3F380E | 0.074 |
| Deuteranopia (no green cones) | #4B4311 | 0.067 |
| Tritanopia (no blue cones) | #6D262B | 0.051 |
| Achromatopsia (no color) | #3E3E3E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #633112
#633112
oklch(37.3% 0.084 49.3)
- #004760
#004760
oklch(37.3% 0.074 230.1)
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 #633112, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.037
- Purple Brown #673A3F ΔE 0.059
- Mud Brown #60460F ΔE 0.060
- Reddy Brown #6E1005 ΔE 0.061
- Blood #770001 ΔE 0.076
- Maroon #800000 ΔE 0.081
- Rust Brown #8B3103 ΔE 0.083
- Red Brown #8B2E16 ΔE 0.083
Use #633112 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.