#890D21
Closest named color: Dark Red (#8B0000). oklch(40.4% 0.154 21), rgb(137, 13, 33).
Aa
White text reads best on this color (9.79:1).
About this color
#890D21 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.154 and its hue 21°. 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 9.79:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.154) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #890D21 |
| RGB | rgb(137, 13, 33) |
| HSL | hsl(350, 83%, 29%) |
| OKLCH | oklch(40.4% 0.154 21) |
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 #890D21 | 9.79:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #890D21 | 2.14:1 | Fails | Lc 13.1 | Not readable |
| #890D21 text on white | 9.79:1 | AAA | Lc 90.9 | Preferred for body text |
| #890D21 text on black | 2.14:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F5AAA7
oklch(80.9% 0.089 21.8)
-
Step 400
400
#ED7879
oklch(70.7% 0.145 20.9)
-
Step 500
500
#E34E57
oklch(63% 0.184 20.8)
-
Step 600
600
#CE273C
oklch(55.5% 0.2 20.9)
-
Step 700
700
#B2162E
oklch(49.1% 0.186 21.1)
-
Step 800
800 (this color)
#890D21
oklch(40.4% 0.154 21)
-
Step 900
900
#741D24
oklch(37.6% 0.12 20.9)
-
Step 950
950
#451315
oklch(27.1% 0.077 21.6)
#890D21 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) | #383321 | 0.170 |
| Deuteranopia (no green cones) | #554D1D | 0.156 |
| Tritanopia (no blue cones) | #970017 | 0.030 |
| Achromatopsia (no color) | #444444 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #890D21
#890D21
oklch(40.4% 0.154 21)
- #005458
#005458
oklch(40.5% 0.069 200.4)
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 #890D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.025
- Red Wine #8C0034 ΔE 0.030
- Brick Red #8F1402 ΔE 0.032
- Maroon #800000 ΔE 0.035
- Wine Red #7B0323 ΔE 0.036
- Blood Red #980002 ΔE 0.038
- Bordeaux #7B002C ΔE 0.042
- Deep Red #9A0200 ΔE 0.043
Use #890D21 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.