#87181F
Closest named color: Dark Red (#8B0000). oklch(40.7% 0.145 23.8), rgb(135, 24, 31).
Aa
White text reads best on this color (9.63:1).
About this color
#87181F is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.145 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.025 away. White text reads best on it, at 9.63:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.18:1 |
| White text | 9.63:1 |
Values
| HEX | #87181F |
| RGB | rgb(135, 24, 31) |
| HSL | hsl(356, 70%, 31%) |
| OKLCH | oklch(40.7% 0.145 23.8) |
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 #87181F | 9.63:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #87181F | 2.18:1 | Fails | Lc 13.1 | Not readable |
| #87181F text on white | 9.63:1 | AAA | Lc 90.8 | Preferred for body text |
| #87181F text on black | 2.18:1 | Fails | Lc -11.5 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E2
oklch(93.6% 0.024 23.9)
-
Step 200
200
#F7CECA
oklch(88.5% 0.047 24.6)
-
Step 300
300
#F3ABA6
oklch(80.8% 0.086 23.6)
-
Step 400
400
#E97C77
oklch(70.7% 0.135 23.8)
-
Step 500
500
#DF5454
oklch(63.1% 0.174 23.5)
-
Step 600
600
#CA3238
oklch(55.6% 0.188 24)
-
Step 700
700
#AE222B
oklch(49% 0.175 23.8)
-
Step 800
800 (this color)
#87181F
oklch(40.7% 0.145 23.8)
-
Step 900
900
#722122
oklch(37.7% 0.114 23.8)
-
Step 950
950
#431515
oklch(27% 0.072 23.2)
#87181F 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) | #3B361E | 0.159 |
| Deuteranopia (no green cones) | #564D1B | 0.145 |
| Tritanopia (no blue cones) | #95001C | 0.030 |
| Achromatopsia (no color) | #454545 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #87181F
#87181F
oklch(40.7% 0.145 23.8)
- #00545B
#00545B
oklch(40.7% 0.069 204.6)
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 #87181F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.025
- Brick Red #8F1402 ΔE 0.026
- Maroon #800000 ΔE 0.035
- Blood Red #980002 ΔE 0.038
- Red Wine #8C0034 ΔE 0.040
- Wine Red #7B0323 ΔE 0.040
- Red Brown #8B2E16 ΔE 0.042
- Deep Red #9A0200 ΔE 0.042
Use #87181F 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.