#990D21
Closest named color: Carmine (#9D0216). oklch(43.6% 0.169 22.6), rgb(153, 13, 33).
Aa
White text reads best on this color (8.62:1).
About this color
#990D21 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.169 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.012 away. White text reads best on it, at 8.62:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #990D21 |
| RGB | rgb(153, 13, 33) |
| HSL | hsl(351, 84%, 33%) |
| OKLCH | oklch(43.6% 0.169 22.6) |
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 #990D21 | 8.62:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #990D21 | 2.43:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #990D21 text on white | 8.62:1 | AAA | Lc 87.6 | Fine for body text |
| #990D21 text on black | 2.43:1 | Fails | Lc -14.5 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCCC9
oklch(88.6% 0.055 22.4)
-
Step 300
300
#FAA7A3
oklch(80.8% 0.099 22.5)
-
Step 400
400
#F37372
oklch(70.7% 0.158 22.4)
-
Step 500
500
#EA454D
oklch(63.1% 0.201 22.6)
-
Step 600
600
#D60F30
oklch(55.7% 0.219 22.6)
-
Step 700
700
#B70025
oklch(49.2% 0.198 22.7)
-
Step 800
800 (this color)
#990D21
oklch(43.6% 0.169 22.6)
-
Step 900
900
#78171E
oklch(37.7% 0.131 22.8)
-
Step 950
950
#471012
oklch(27% 0.084 22.8)
#990D21 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) | #3F3920 | 0.187 |
| Deuteranopia (no green cones) | #60561B | 0.170 |
| Tritanopia (no blue cones) | #A90018 | 0.034 |
| Achromatopsia (no color) | #4C4C4C | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #990D21
#990D21
oklch(43.6% 0.169 22.6)
- #005D63
#005D63
oklch(43.6% 0.074 202.5)
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 #990D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.012
- Blood Red #980002 ΔE 0.022
- Deep Red #9A0200 ΔE 0.022
- Auburn #9B2226 ΔE 0.022
- Brick Red #8F1402 ΔE 0.033
- Cranberry #9E003A ΔE 0.036
- Burnt Red #9F2305 ΔE 0.040
- Dark Red #8B0000 ΔE 0.041
Use #990D21 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.