#6B1F10
Closest named color: Reddy Brown (#6E1005). oklch(35.9% 0.111 33.1), rgb(107, 31, 16).
Aa
White text reads best on this color (11.48:1).
About this color
#6B1F10 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.111 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.021 away. White text reads best on it, at 11.48:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.111) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.82:1 |
| White text | 11.48:1 |
Values
| HEX | #6B1F10 |
| RGB | rgb(107, 31, 16) |
| HSL | hsl(10, 74%, 24%) |
| OKLCH | oklch(35.9% 0.111 33.1) |
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 #6B1F10 | 11.48:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #6B1F10 | 1.82:1 | Fails | Lc 8.4 | Not readable |
| #6B1F10 text on white | 11.48:1 | AAA | Lc 95.5 | Preferred for body text |
| #6B1F10 text on black | 1.82:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE5E0
oklch(93.7% 0.024 33.5)
-
Step 200
200
#F6CFC6
oklch(88.5% 0.046 33.2)
-
Step 300
300
#F1AD9E
oklch(80.8% 0.083 32.8)
-
Step 400
400
#E77F69
oklch(70.7% 0.133 33)
-
Step 500
500
#DD593F
oklch(63.1% 0.171 33)
-
Step 600
600
#C8391B
oklch(55.6% 0.185 33.3)
-
Step 700
700
#AD290C
oklch(49.2% 0.172 33.2)
-
Step 800
800
#8C250F
oklch(42.7% 0.142 33.4)
-
Step 900
900 (this color)
#6B1F10
oklch(35.9% 0.111 33.1)
-
Step 950
950
#42170E
oklch(27% 0.069 33.5)
#6B1F10 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) | #352F0E | 0.115 |
| Deuteranopia (no green cones) | #48400D | 0.106 |
| Tritanopia (no blue cones) | #76071C | 0.040 |
| Achromatopsia (no color) | #393939 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1F10
#6B1F10
oklch(35.9% 0.111 33.1)
- #004550
#004550
oklch(35.9% 0.063 212.6)
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 #6B1F10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.021
- Chestnut #742802 ΔE 0.033
- Blood #770001 ΔE 0.037
- Claret #680018 ΔE 0.048
- Maroon #800000 ΔE 0.048
- Wine Red #7B0323 ΔE 0.052
- Bordeaux #7B002C ΔE 0.063
- Burgundy #610023 ΔE 0.067
Use #6B1F10 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.