#730B09
Closest named color: Blood (#770001). oklch(35.6% 0.136 28.4), rgb(115, 11, 9).
Aa
White text reads best on this color (11.79:1).
About this color
#730B09 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.136 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.010 away. White text reads best on it, at 11.79:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Blood (#770001) |
| Black text | 1.78:1 |
| White text | 11.79:1 |
Values
| HEX | #730B09 |
| RGB | rgb(115, 11, 9) |
| HSL | hsl(1, 85%, 24%) |
| OKLCH | oklch(35.6% 0.136 28.4) |
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 #730B09 | 11.79:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #730B09 | 1.78:1 | Fails | Lc 8.6 | Not readable |
| #730B09 text on white | 11.79:1 | AAA | Lc 95.3 | Preferred for body text |
| #730B09 text on black | 1.78:1 | Fails | Lc -7.3 | 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
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FDCCC4
oklch(88.6% 0.057 29)
-
Step 300
300
#FCA79B
oklch(80.9% 0.103 28.3)
-
Step 400
400
#F67364
oklch(70.8% 0.164 28.5)
-
Step 500
500
#ED4237
oklch(63% 0.209 28.4)
-
Step 600
600
#D9010B
oklch(55.7% 0.227 28.4)
-
Step 700
700
#B80007
oklch(49.2% 0.201 28.4)
-
Step 800
800
#980005
oklch(42.7% 0.175 28.4)
-
Step 900
900 (this color)
#730B09
oklch(35.6% 0.136 28.4)
-
Step 950
950
#480F0B
oklch(27% 0.087 28.4)
#730B09 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) | #302907 | 0.148 |
| Deuteranopia (no green cones) | #483F03 | 0.133 |
| Tritanopia (no blue cones) | #80000D | 0.029 |
| Achromatopsia (no color) | #383838 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #730B09
#730B09
oklch(35.6% 0.136 28.4)
- #00454D
#00454D
oklch(35.7% 0.061 207.9)
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 #730B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood #770001 ΔE 0.010
- Reddy Brown #6E1005 ΔE 0.012
- Maroon #800000 ΔE 0.028
- Wine Red #7B0323 ΔE 0.035
- Claret #680018 ΔE 0.036
- Chestnut #742802 ΔE 0.047
- Bordeaux #7B002C ΔE 0.047
- Dark Red #8B0000 ΔE 0.052
Use #730B09 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.