#990C03
Closest named color: Deep Red (#9A0200). oklch(43.3% 0.172 29.9), rgb(153, 12, 3).
Aa
White text reads best on this color (8.71:1).
About this color
#990C03 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.172 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.005 away. White text reads best on it, at 8.71:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Deep Red (#9A0200) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #990C03 |
| RGB | rgb(153, 12, 3) |
| HSL | hsl(4, 96%, 31%) |
| OKLCH | oklch(43.3% 0.172 29.9) |
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 #990C03 | 8.71:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #990C03 | 2.40:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #990C03 text on white | 8.71:1 | AAA | Lc 87.7 | Fine for body text |
| #990C03 text on black | 2.40:1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FBA89A
oklch(80.9% 0.101 30)
-
Step 400
400
#F47462
oklch(70.6% 0.161 29.8)
-
Step 500
500
#EB4634
oklch(63% 0.204 30)
-
Step 600
600
#D71002
oklch(55.6% 0.223 29.8)
-
Step 700
700
#B60A00
oklch(49% 0.197 29.9)
-
Step 800
800 (this color)
#990C03
oklch(43.3% 0.172 29.9)
-
Step 900
900
#79170E
oklch(37.7% 0.134 29.9)
-
Step 950
950
#47110A
oklch(27% 0.084 30.6)
#990C03 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) | #413800 | 0.186 |
| Deuteranopia (no green cones) | #615500 | 0.165 |
| Tritanopia (no blue cones) | #AA000E | 0.036 |
| Achromatopsia (no color) | #4B4B4B | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #990C03
#990C03
oklch(43.3% 0.172 29.9)
- #005C67
#005C67
oklch(43.5% 0.075 208.9)
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 #990C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Red #9A0200 ΔE 0.005
- Blood Red #980002 ΔE 0.008
- Carmine #9D0216 ΔE 0.016
- Brick Red #8F1402 ΔE 0.021
- Burnt Red #9F2305 ΔE 0.030
- Auburn #9B2226 ΔE 0.030
- Dark Red #8B0000 ΔE 0.034
- Brown Red #922B05 ΔE 0.035
Use #990C03 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.