#733B1B
Closest named color: Chestnut (#742802). oklch(41.7% 0.09 48.1), rgb(115, 59, 27).
Aa
White text reads best on this color (8.85:1).
About this color
#733B1B is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 48°. 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 8.85:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #733B1B |
| RGB | rgb(115, 59, 27) |
| HSL | hsl(22, 62%, 28%) |
| OKLCH | oklch(41.7% 0.09 48.1) |
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 #733B1B | 8.85:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #733B1B | 2.37:1 | Fails | Lc 14.1 | Not readable |
| #733B1B text on white | 8.85:1 | AAA | Lc 89.9 | Fine for body text |
| #733B1B text on black | 2.37:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EAD4C9
oklch(88.5% 0.029 48.4)
-
Step 300
300
#DEB7A4
oklch(80.9% 0.052 47.4)
-
Step 400
400
#CC9172
oklch(70.7% 0.084 48.6)
-
Step 500
500
#BE744D
oklch(63.1% 0.108 47.8)
-
Step 600
600
#A95B2F
oklch(55.5% 0.117 48.1)
-
Step 700
700
#914B22
oklch(49.1% 0.109 48.4)
-
Step 800
800 (this color)
#733B1B
oklch(41.7% 0.09 48.1)
-
Step 900
900
#5F351E
oklch(37.6% 0.07 48.3)
-
Step 950
950
#381F12
oklch(26.9% 0.045 47.6)
#733B1B 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) | #4B4217 | 0.079 |
| Deuteranopia (no green cones) | #584F1A | 0.073 |
| Tritanopia (no blue cones) | #7E2F34 | 0.053 |
| Achromatopsia (no color) | #4A4A4A | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733B1B
#733B1B
oklch(41.7% 0.09 48.1)
- #00546F
#00546F
oklch(41.7% 0.082 228.4)
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 #733B1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.042
- Rust Brown #8B3103 ΔE 0.049
- Mud Brown #60460F ΔE 0.050
- Red Brown #8B2E16 ΔE 0.052
- Purple Brown #673A3F ΔE 0.054
- Milk Chocolate #7F4E1E ΔE 0.058
- Saddle Brown #8B4513 ΔE 0.058
- Brown Red #922B05 ΔE 0.064
Use #733B1B 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.