#730011
Closest named color: Blood (#770001). oklch(35% 0.142 23.7), rgb(115, 0, 17).
Aa
White text reads best on this color (12.08:1).
About this color
#730011 is a dark, vivid red. In OKLCH its lightness is 35%, its chroma 0.142 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.016 away. White text reads best on it, at 12.08:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #730011 |
| RGB | rgb(115, 0, 17) |
| HSL | hsl(351, 100%, 23%) |
| OKLCH | oklch(35% 0.142 23.7) |
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 #730011 | 12.08:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #730011 | 1.73:1 | Fails | Lc 8.5 | Not readable |
| #730011 text on white | 12.08:1 | AAA | Lc 95.4 | Preferred for body text |
| #730011 text on black | 1.73:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E0
oklch(93.5% 0.031 22.6)
-
Step 200
200
#FECBC7
oklch(88.6% 0.058 23.5)
-
Step 300
300
#FEA5A0
oklch(80.9% 0.106 23.2)
-
Step 400
400
#F86F6C
oklch(70.7% 0.169 23.6)
-
Step 500
500
#F13A44
oklch(63.2% 0.218 23.5)
-
Step 600
600
#D80029
oklch(55.6% 0.225 23.7)
-
Step 700
700
#B70021
oklch(49.2% 0.199 23.8)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900 (this color)
#730011
oklch(35% 0.142 23.7)
-
Step 950
950
#490D0F
oklch(27% 0.09 24)
#730011 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) | #2C2710 | 0.157 |
| Deuteranopia (no green cones) | #463E0B | 0.142 |
| Tritanopia (no blue cones) | #800008 | 0.031 |
| Achromatopsia (no color) | #363636 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #730011
#730011
oklch(35% 0.142 23.7)
- #004349
#004349
oklch(34.9% 0.06 204.9)
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 #730011, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.016
- Reddy Brown #6E1005 ΔE 0.021
- Claret #680018 ΔE 0.028
- Wine Red #7B0323 ΔE 0.028
- Maroon #800000 ΔE 0.033
- Bordeaux #7B002C ΔE 0.039
- Burgundy #610023 ΔE 0.051
- Dark Red #8B0000 ΔE 0.056
Use #730011 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.