#733D21
Closest named color: Chestnut (#742802). oklch(42.2% 0.086 46.7), rgb(115, 61, 33).
Aa
White text reads best on this color (8.68:1).
About this color
#733D21 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.086 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.047 away. White text reads best on it, at 8.68:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.41:1 |
| White text | 8.68:1 |
Values
| HEX | #733D21 |
| RGB | rgb(115, 61, 33) |
| HSL | hsl(20, 55%, 29%) |
| OKLCH | oklch(42.2% 0.086 46.7) |
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 #733D21 | 8.68:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #733D21 | 2.41:1 | Fails | Lc 14.5 | Not readable |
| #733D21 text on white | 8.68:1 | AAA | Lc 89.5 | Fine for body text |
| #733D21 text on black | 2.41:1 | Fails | Lc -12.8 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CA
oklch(88.5% 0.028 46.1)
-
Step 300
300
#DDB7A6
oklch(80.8% 0.05 45.4)
-
Step 400
400
#CB9176
oklch(70.7% 0.08 45.9)
-
Step 500
500
#BC7552
oklch(63.1% 0.102 46.6)
-
Step 600
600
#A85C36
oklch(55.6% 0.112 46)
-
Step 700
700
#8F4C28
oklch(49.1% 0.103 47.2)
-
Step 800
800 (this color)
#733D21
oklch(42.2% 0.086 46.7)
-
Step 900
900
#5E3621
oklch(37.7% 0.066 47.7)
-
Step 950
950
#372014
oklch(27% 0.041 48)
#733D21 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) | #4C441E | 0.076 |
| Deuteranopia (no green cones) | #595020 | 0.070 |
| Tritanopia (no blue cones) | #7E3237 | 0.050 |
| Achromatopsia (no color) | #4B4B4B | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #733D21
#733D21
oklch(42.2% 0.086 46.7)
- #005670
#005670
oklch(42.3% 0.081 226.9)
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 #733D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.047
- Mud Brown #60460F ΔE 0.050
- Rust Brown #8B3103 ΔE 0.050
- Purple Brown #673A3F ΔE 0.051
- Red Brown #8B2E16 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.056
- Brownish Purple #76424E ΔE 0.062
Use #733D21 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.