#9E0309
Closest named color: Carmine (#9D0216). oklch(44.1% 0.179 28.1), rgb(158, 3, 9).
Aa
White text reads best on this color (8.49:1).
About this color
#9E0309 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.179 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.009 away. White text reads best on it, at 8.49:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.47:1 |
| White text | 8.49:1 |
Values
| HEX | #9E0309 |
| RGB | rgb(158, 3, 9) |
| HSL | hsl(358, 96%, 32%) |
| OKLCH | oklch(44.1% 0.179 28.1) |
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 #9E0309 | 8.49:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #9E0309 | 2.47:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #9E0309 text on white | 8.49:1 | AAA | Lc 86.8 | Fine for body text |
| #9E0309 text on black | 2.47:1 | Fails | Lc -15.3 | Dividers and decoration only |
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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FDCBC4
oklch(88.4% 0.058 27.5)
-
Step 300
300
#FDA79B
oklch(81% 0.104 28.3)
-
Step 400
400
#F77163
oklch(70.7% 0.167 28.1)
-
Step 500
500
#EF3F36
oklch(63.1% 0.214 28)
-
Step 600
600
#D9000E
oklch(55.6% 0.227 28.1)
-
Step 700
700
#B8000A
oklch(49.2% 0.201 28.1)
-
Step 800
800 (this color)
#9E0309
oklch(44.1% 0.179 28.1)
-
Step 900
900
#7B120F
oklch(37.7% 0.139 28.2)
-
Step 950
950
#490E0B
oklch(27% 0.089 27.7)
#9E0309 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) | #413805 | 0.196 |
| Deuteranopia (no green cones) | #635800 | 0.177 |
| Tritanopia (no blue cones) | #AF000A | 0.037 |
| Achromatopsia (no color) | #4D4D4D | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9E0309
#9E0309
oklch(44.1% 0.179 28.1)
- #005E68
#005E68
oklch(44.1% 0.076 207.4)
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 #9E0309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.009
- Deep Red #9A0200 ΔE 0.010
- Blood Red #980002 ΔE 0.014
- Auburn #9B2226 ΔE 0.028
- Burnt Red #9F2305 ΔE 0.029
- Brick Red #8F1402 ΔE 0.032
- Brown Red #922B05 ΔE 0.043
- Dark Red #8B0000 ΔE 0.043
Use #9E0309 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.