#863D21
Closest named color: Rust Brown (#8B3103). oklch(45.1% 0.108 40.7), rgb(134, 61, 33).
Aa
White text reads best on this color (7.76:1).
About this color
#863D21 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.108 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.027 away. White text reads best on it, at 7.76:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #863D21 |
| RGB | rgb(134, 61, 33) |
| HSL | hsl(17, 60%, 33%) |
| OKLCH | oklch(45.1% 0.108 40.7) |
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 #863D21 | 7.76:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #863D21 | 2.70:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #863D21 text on white | 7.76:1 | AAA | Lc 86.5 | Fine for body text |
| #863D21 text on black | 2.70:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EFD2C8
oklch(88.5% 0.035 40)
-
Step 300
300
#E5B4A2
oklch(80.9% 0.063 41.1)
-
Step 400
400
#D78B6F
oklch(70.8% 0.102 41)
-
Step 500
500
#CA6B48
oklch(63% 0.13 40.6)
-
Step 600
600
#B5512A
oklch(55.6% 0.14 40.6)
-
Step 700
700
#9C411C
oklch(49.2% 0.131 40.8)
-
Step 800
800 (this color)
#863D21
oklch(45.1% 0.108 40.7)
-
Step 900
900
#66301B
oklch(37.7% 0.084 41.2)
-
Step 950
950
#3C1C11
oklch(26.9% 0.054 39.5)
#863D21 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) | #51481E | 0.104 |
| Deuteranopia (no green cones) | #63591F | 0.096 |
| Tritanopia (no blue cones) | #932E37 | 0.052 |
| Achromatopsia (no color) | #525252 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #863D21
#863D21
oklch(45.1% 0.108 40.7)
- #005F75
#005F75
oklch(44.9% 0.082 220.8)
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 #863D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.027
- Saddle Brown #8B4513 ΔE 0.028
- Red Brown #8B2E16 ΔE 0.030
- Brown Red #922B05 ΔE 0.038
- Milk Chocolate #7F4E1E ΔE 0.045
- Brick #A03623 ΔE 0.052
- Russet #A13905 ΔE 0.054
- Medium Brown #7F5112 ΔE 0.057
Use #863D21 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.