#73010B
Closest named color: Blood (#770001). oklch(35% 0.142 26), rgb(115, 1, 11).
Aa
White text reads best on this color (12.08:1).
About this color
#73010B is a dark, vivid red. In OKLCH its lightness is 35%, its chroma 0.142 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.012 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 | #73010B |
| RGB | rgb(115, 1, 11) |
| HSL | hsl(355, 98%, 23%) |
| OKLCH | oklch(35% 0.142 26) |
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 #73010B | 12.08:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #73010B | 1.73:1 | Fails | Lc 8.5 | Not readable |
| #73010B text on white | 12.08:1 | AAA | Lc 95.4 | Preferred for body text |
| #73010B 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FECBC5
oklch(88.5% 0.059 26.1)
-
Step 300
300
#FEA69D
oklch(81% 0.106 26)
-
Step 400
400
#F86F67
oklch(70.6% 0.17 25.7)
-
Step 500
500
#F13C3C
oklch(63.2% 0.217 26)
-
Step 600
600
#D8001E
oklch(55.5% 0.226 25.9)
-
Step 700
700
#B70017
oklch(49.1% 0.199 26.1)
-
Step 800
800
#980011
oklch(42.8% 0.174 26.1)
-
Step 900
900 (this color)
#73010B
oklch(35% 0.142 26)
-
Step 950
950
#490D0D
oklch(27% 0.09 25.6)
#73010B 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) | #2D2709 | 0.156 |
| Deuteranopia (no green cones) | #473E04 | 0.140 |
| Tritanopia (no blue cones) | #800007 | 0.030 |
| Achromatopsia (no color) | #363636 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73010B
#73010B
oklch(35% 0.142 26)
- #00434A
#00434A
oklch(35% 0.06 206.6)
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 #73010B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.012
- Reddy Brown #6E1005 ΔE 0.017
- Claret #680018 ΔE 0.030
- Maroon #800000 ΔE 0.031
- Wine Red #7B0323 ΔE 0.032
- Bordeaux #7B002C ΔE 0.044
- Burgundy #610023 ΔE 0.054
- Dark Red #8B0000 ΔE 0.055
Use #73010B 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.