#88310D
Closest named color: Rust Brown (#8B3103). oklch(43.4% 0.127 39.8), rgb(136, 49, 13).
Aa
White text reads best on this color (8.42:1).
About this color
#88310D is a dark, moderately saturated red. In OKLCH its lightness is 43%, its chroma 0.127 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.008 away. White text reads best on it, at 8.42:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #88310D |
| RGB | rgb(136, 49, 13) |
| HSL | hsl(18, 83%, 29%) |
| OKLCH | oklch(43.4% 0.127 39.8) |
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 #88310D | 8.42:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #88310D | 2.49:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #88310D text on white | 8.42:1 | AAA | Lc 88.2 | Fine for body text |
| #88310D text on black | 2.49:1 | Fails | Lc -14.0 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F7E5DF
oklch(93.5% 0.021 39.4)
-
Step 200
200
#F2D1C5
oklch(88.5% 0.041 41)
-
Step 300
300
#EBB19D
oklch(80.9% 0.074 39.9)
-
Step 400
400
#DF8667
oklch(70.8% 0.118 39.9)
-
Step 500
500
#D4643B
oklch(63.2% 0.152 40)
-
Step 600
600
#BF4714
oklch(55.6% 0.165 39.9)
-
Step 700
700
#A53702
oklch(49.2% 0.154 39.7)
-
Step 800
800 (this color)
#88310D
oklch(43.4% 0.127 39.8)
-
Step 900
900
#6C2B13
oklch(37.8% 0.099 39.6)
-
Step 950
950
#3F1A0D
oklch(27% 0.062 39.6)
#88310D 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) | #4A4106 | 0.126 |
| Deuteranopia (no green cones) | #605508 | 0.114 |
| Tritanopia (no blue cones) | #96192A | 0.057 |
| Achromatopsia (no color) | #4D4D4D | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #88310D
#88310D
oklch(43.4% 0.127 39.8)
- #005B6F
#005B6F
oklch(43.6% 0.079 219.5)
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 #88310D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.008
- Red Brown #8B2E16 ΔE 0.011
- Brown Red #922B05 ΔE 0.021
- Brick Red #8F1402 ΔE 0.041
- Saddle Brown #8B4513 ΔE 0.046
- Burnt Red #9F2305 ΔE 0.047
- Chestnut #742802 ΔE 0.050
- Auburn #9B2226 ΔE 0.052
Use #88310D 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.