#87180B
Closest named color: Brick Red (#8F1402). oklch(40.5% 0.148 30.7), rgb(135, 24, 11).
Aa
White text reads best on this color (9.69:1).
About this color
#87180B is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.148 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.017 away. White text reads best on it, at 9.69:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #87180B |
| RGB | rgb(135, 24, 11) |
| HSL | hsl(6, 85%, 29%) |
| OKLCH | oklch(40.5% 0.148 30.7) |
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 #87180B | 9.69:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #87180B | 2.16:1 | Fails | Lc 13.0 | Not readable |
| #87180B text on white | 9.69:1 | AAA | Lc 90.9 | Preferred for body text |
| #87180B text on black | 2.16:1 | Fails | Lc -11.4 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC6
oklch(88.4% 0.048 30.9)
-
Step 300
300
#F3AC9F
oklch(80.9% 0.086 30.6)
-
Step 400
400
#EA7D6B
oklch(70.8% 0.138 30.6)
-
Step 500
500
#E05642
oklch(63.2% 0.176 30.8)
-
Step 600
600
#CB3320
oklch(55.6% 0.191 30.8)
-
Step 700
700
#AF2312
oklch(49.1% 0.178 30.8)
-
Step 800
800 (this color)
#87180B
oklch(40.5% 0.148 30.7)
-
Step 900
900
#722217
oklch(37.6% 0.115 30.8)
-
Step 950
950
#43150F
oklch(26.9% 0.073 30)
#87180B 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) | #3C3507 | 0.159 |
| Deuteranopia (no green cones) | #574D03 | 0.143 |
| Tritanopia (no blue cones) | #960017 | 0.035 |
| Achromatopsia (no color) | #444444 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87180B
#87180B
oklch(40.5% 0.148 30.7)
- #00535E
#00535E
oklch(40.5% 0.07 210.1)
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 #87180B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.017
- Dark Red #8B0000 ΔE 0.018
- Maroon #800000 ΔE 0.030
- Blood Red #980002 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.037
- Deep Red #9A0200 ΔE 0.039
- Brown Red #922B05 ΔE 0.042
- Chestnut #742802 ΔE 0.045
Use #87180B 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.