#863639
Closest named color: Red Brown (#8B2E16). oklch(44.4% 0.11 20.5), rgb(134, 54, 57).
Aa
White text reads best on this color (8.07:1).
About this color
#863639 is a dark, moderately saturated red. In OKLCH its lightness is 44%, its chroma 0.110 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.038 away. White text reads best on it, at 8.07:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #863639 |
| RGB | rgb(134, 54, 57) |
| HSL | hsl(358, 43%, 37%) |
| OKLCH | oklch(44.4% 0.11 20.5) |
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 #863639 | 8.07:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #863639 | 2.60:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #863639 text on white | 8.07:1 | AAA | Lc 87.4 | Fine for body text |
| #863639 text on black | 2.60:1 | Fails | Lc -14.7 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F6E5E5
oklch(93.5% 0.019 17.5)
-
Step 200
200
#F0D0CF
oklch(88.4% 0.036 20)
-
Step 300
300
#E8B1AF
oklch(81% 0.065 21)
-
Step 400
400
#D98685
oklch(70.7% 0.102 20.7)
-
Step 500
500
#CD6567
oklch(63.1% 0.132 20.4)
-
Step 600
600
#B84A4F
oklch(55.6% 0.143 20.3)
-
Step 700
700
#9E3A3F
oklch(49% 0.133 20.6)
-
Step 800
800 (this color)
#863639
oklch(44.4% 0.11 20.5)
-
Step 900
900
#682C2E
oklch(37.7% 0.086 20.1)
-
Step 950
950
#3D1A1B
oklch(26.9% 0.055 19.7)
#863639 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) | #494539 | 0.118 |
| Deuteranopia (no green cones) | #5D5637 | 0.110 |
| Tritanopia (no blue cones) | #922838 | 0.032 |
| Achromatopsia (no color) | #505050 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #863639
#863639
oklch(44.4% 0.11 20.5)
- #006064
#006064
oklch(44.4% 0.076 199.8)
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 #863639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.038
- Brownish Purple #76424E ΔE 0.044
- Auburn #9B2226 ΔE 0.049
- Rust Brown #8B3103 ΔE 0.049
- Brown Red #922B05 ΔE 0.050
- Brick #A03623 ΔE 0.059
- Brick Red #8F1402 ΔE 0.061
- Purple Brown #673A3F ΔE 0.061
Use #863639 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.