#8B2603
Closest named color: Red Brown (#8B2E16). oklch(42.6% 0.142 36.5), rgb(139, 38, 3).
Aa
White text reads best on this color (8.83:1).
About this color
#8B2603 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.142 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.015 away. White text reads best on it, at 8.83:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #8B2603 |
| RGB | rgb(139, 38, 3) |
| HSL | hsl(15, 96%, 28%) |
| OKLCH | oklch(42.6% 0.142 36.5) |
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 #8B2603 | 8.83:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #8B2603 | 2.37:1 | Fails | Lc 15.0 | Not readable |
| #8B2603 text on white | 8.83:1 | AAA | Lc 89.0 | Fine for body text |
| #8B2603 text on black | 2.37:1 | Fails | Lc -13.2 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F6CFC4
oklch(88.5% 0.047 36.3)
-
Step 300
300
#F1AE9B
oklch(80.9% 0.084 36.5)
-
Step 400
400
#E68064
oklch(70.6% 0.133 36.2)
-
Step 500
500
#DC5B37
oklch(63.1% 0.17 36.3)
-
Step 600
600
#C73B09
oklch(55.5% 0.184 36.4)
-
Step 700
700
#AA2E00
oklch(49% 0.167 36.3)
-
Step 800
800 (this color)
#8B2603
oklch(42.6% 0.142 36.5)
-
Step 900
900
#702610
oklch(37.7% 0.11 36.6)
-
Step 950
950
#42170B
oklch(26.9% 0.07 36.4)
#8B2603 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) | #453C00 | 0.146 |
| Deuteranopia (no green cones) | #5E5200 | 0.130 |
| Tritanopia (no blue cones) | #9A0021 | 0.053 |
| Achromatopsia (no color) | #4A4A4A | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B2603
#8B2603
oklch(42.6% 0.142 36.5)
- #005869
#005869
oklch(42.4% 0.076 216.8)
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 #8B2603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.015
- Brown Red #922B05 ΔE 0.019
- Rust Brown #8B3103 ΔE 0.020
- Brick Red #8F1402 ΔE 0.023
- Dark Red #8B0000 ΔE 0.039
- Blood Red #980002 ΔE 0.039
- Deep Red #9A0200 ΔE 0.040
- Burnt Red #9F2305 ΔE 0.042
Use #8B2603 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.