#891B10
Closest named color: Brick Red (#8F1402). oklch(41.2% 0.147 30.1), rgb(137, 27, 16).
Aa
White text reads best on this color (9.42:1).
About this color
#891B10 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.147 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.014 away. White text reads best on it, at 9.42:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.22:1 |
| White text | 9.42:1 |
Values
| HEX | #891B10 |
| RGB | rgb(137, 27, 16) |
| HSL | hsl(5, 79%, 30%) |
| OKLCH | oklch(41.2% 0.147 30.1) |
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 #891B10 | 9.42:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #891B10 | 2.22:1 | Fails | Lc 13.6 | Not readable |
| #891B10 text on white | 9.42:1 | AAA | Lc 90.3 | Preferred for body text |
| #891B10 text on black | 2.22:1 | Fails | Lc -12.0 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC7
oklch(88.5% 0.048 29.4)
-
Step 300
300
#F3ACA0
oklch(80.9% 0.086 29.8)
-
Step 400
400
#E97D6C
oklch(70.7% 0.137 30.2)
-
Step 500
500
#DF5644
oklch(63.1% 0.175 30.2)
-
Step 600
600
#CB3323
oklch(55.6% 0.191 30.1)
-
Step 700
700
#AF2316
oklch(49.1% 0.178 30)
-
Step 800
800 (this color)
#891B10
oklch(41.2% 0.147 30.1)
-
Step 900
900
#722219
oklch(37.6% 0.114 29.8)
-
Step 950
950
#43150F
oklch(26.9% 0.073 30)
#891B10 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) | #3E370D | 0.158 |
| Deuteranopia (no green cones) | #594F08 | 0.143 |
| Tritanopia (no blue cones) | #98001A | 0.036 |
| Achromatopsia (no color) | #464646 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #891B10
#891B10
oklch(41.2% 0.147 30.1)
- #005560
#005560
oklch(41.2% 0.071 209.8)
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 #891B10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.014
- Dark Red #8B0000 ΔE 0.021
- Red Brown #8B2E16 ΔE 0.031
- Blood Red #980002 ΔE 0.032
- Deep Red #9A0200 ΔE 0.035
- Maroon #800000 ΔE 0.036
- Brown Red #922B05 ΔE 0.037
- Rust Brown #8B3103 ΔE 0.041
Use #891B10 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.