#7B1B00
Closest named color: Chestnut (#742802). oklch(38.4% 0.135 35), rgb(123, 27, 0).
Aa
White text reads best on this color (10.50:1).
About this color
#7B1B00 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.135 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.024 away. White text reads best on it, at 10.50:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.99:1 |
| White text | 10.50:1 |
Values
| HEX | #7B1B00 |
| RGB | rgb(123, 27, 0) |
| HSL | hsl(13, 100%, 24%) |
| OKLCH | oklch(38.4% 0.135 35) |
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 #7B1B00 | 10.50:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #7B1B00 | 1.99:1 | Fails | Lc 10.9 | Not readable |
| #7B1B00 text on white | 10.50:1 | AAA | Lc 93.0 | Preferred for body text |
| #7B1B00 text on black | 1.99:1 | Fails | Lc -9.4 | 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
#FEF2EF
oklch(97% 0.014 34.3)
-
Step 100
100
#FDE4DD
oklch(93.7% 0.029 36.2)
-
Step 200
200
#FCCDC1
oklch(88.6% 0.056 34.7)
-
Step 300
300
#FAA994
oklch(80.8% 0.101 35.2)
-
Step 400
400
#F47657
oklch(70.8% 0.162 35)
-
Step 500
500
#EB481C
oklch(63% 0.206 35)
-
Step 600
600
#CC3300
oklch(55.6% 0.195 34.9)
-
Step 700
700
#AD2A00
oklch(49.2% 0.173 35)
-
Step 800
800
#8F2100
oklch(42.8% 0.15 35)
-
Step 900
900 (this color)
#7B1B00
oklch(38.4% 0.135 35)
-
Step 950
950
#471105
oklch(26.9% 0.085 34.5)
#7B1B00 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) | #3A3100 | 0.139 |
| Deuteranopia (no green cones) | #514700 | 0.126 |
| Tritanopia (no blue cones) | #880017 | 0.041 |
| Achromatopsia (no color) | #3F3F3F | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B1B00
#7B1B00
oklch(38.4% 0.135 35)
- #004C5A
#004C5A
oklch(38.4% 0.068 215.4)
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 #7B1B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.024
- Maroon #800000 ΔE 0.025
- Blood #770001 ΔE 0.032
- Dark Red #8B0000 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.037
- Brick Red #8F1402 ΔE 0.043
- Wine Red #7B0323 ΔE 0.048
- Red Brown #8B2E16 ΔE 0.053
Use #7B1B00 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.