#99031D
Closest named color: Carmine (#9D0216). oklch(43.2% 0.173 23), rgb(153, 3, 29).
Aa
White text reads best on this color (8.80:1).
About this color
#99031D is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.173 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.011 away. White text reads best on it, at 8.80:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #99031D |
| RGB | rgb(153, 3, 29) |
| HSL | hsl(350, 96%, 31%) |
| OKLCH | oklch(43.2% 0.173 23) |
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 #99031D | 8.80:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #99031D | 2.38:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #99031D text on white | 8.80:1 | AAA | Lc 87.8 | Fine for body text |
| #99031D text on black | 2.38:1 | Fails | Lc -14.4 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCBC8
oklch(88.4% 0.056 22.4)
-
Step 300
300
#FBA7A2
oklch(80.9% 0.1 23.3)
-
Step 400
400
#F57270
oklch(70.8% 0.162 23)
-
Step 500
500
#EC424A
oklch(63.1% 0.206 23)
-
Step 600
600
#D8002C
oklch(55.7% 0.225 23.1)
-
Step 700
700
#B70024
oklch(49.2% 0.198 23)
-
Step 800
800 (this color)
#99031D
oklch(43.2% 0.173 23)
-
Step 900
900
#79141C
oklch(37.6% 0.134 23.1)
-
Step 950
950
#480F11
oklch(27.1% 0.086 23.2)
#99031D 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) | #3D371C | 0.192 |
| Deuteranopia (no green cones) | #5F5516 | 0.174 |
| Tritanopia (no blue cones) | #A90012 | 0.036 |
| Achromatopsia (no color) | #4A4A4A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99031D
#99031D
oklch(43.2% 0.173 23)
- #005C62
#005C62
oklch(43.2% 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 #99031D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.011
- Blood Red #980002 ΔE 0.019
- Deep Red #9A0200 ΔE 0.020
- Auburn #9B2226 ΔE 0.028
- Brick Red #8F1402 ΔE 0.032
- Dark Red #8B0000 ΔE 0.038
- Cranberry #9E003A ΔE 0.038
- Burnt Red #9F2305 ΔE 0.042
Use #99031D 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.