#7B1003
Closest named color: Maroon (#800000). oklch(37.5% 0.142 31.1), rgb(123, 16, 3).
Aa
White text reads best on this color (10.95:1).
About this color
#7B1003 is a dark, vivid red. In OKLCH its lightness is 37%, its chroma 0.142 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.014 away. White text reads best on it, at 10.95:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #7B1003 |
| RGB | rgb(123, 16, 3) |
| HSL | hsl(7, 95%, 25%) |
| OKLCH | oklch(37.5% 0.142 31.1) |
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 #7B1003 | 10.95:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #7B1003 | 1.91:1 | Fails | Lc 10.3 | Not readable |
| #7B1003 text on white | 10.95:1 | AAA | Lc 93.7 | Preferred for body text |
| #7B1003 text on black | 1.91:1 | Fails | Lc -8.9 | 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
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECBC2
oklch(88.4% 0.06 29.9)
-
Step 300
300
#FEA796
oklch(81% 0.107 31.6)
-
Step 400
400
#F8715B
oklch(70.7% 0.17 31.1)
-
Step 500
500
#F03E26
oklch(63% 0.217 31.1)
-
Step 600
600
#D41D00
oklch(55.5% 0.216 31.1)
-
Step 700
700
#B41600
oklch(49.1% 0.191 31)
-
Step 800
800
#951100
oklch(42.8% 0.166 31.1)
-
Step 900
900 (this color)
#7B1003
oklch(37.5% 0.142 31.1)
-
Step 950
950
#490E07
oklch(27% 0.09 30.6)
#7B1003 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) | #352E00 | 0.153 |
| Deuteranopia (no green cones) | #4E4500 | 0.138 |
| Tritanopia (no blue cones) | #88000F | 0.030 |
| Achromatopsia (no color) | #3C3C3C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B1003
#7B1003
oklch(37.5% 0.142 31.1)
- #004A54
#004A54
oklch(37.5% 0.065 210.1)
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 #7B1003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.014
- Blood #770001 ΔE 0.019
- Reddy Brown #6E1005 ΔE 0.030
- Dark Red #8B0000 ΔE 0.034
- Wine Red #7B0323 ΔE 0.037
- Chestnut #742802 ΔE 0.037
- Brick Red #8F1402 ΔE 0.046
- Bordeaux #7B002C ΔE 0.051
Use #7B1003 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.