#6D151B
Closest named color: Reddy Brown (#6E1005). oklch(35.3% 0.121 22.8), rgb(109, 21, 27).
Aa
White text reads best on this color (11.84:1).
About this color
#6D151B is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.121 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.020 away. White text reads best on it, at 11.84:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.77:1 |
| White text | 11.84:1 |
Values
| HEX | #6D151B |
| RGB | rgb(109, 21, 27) |
| HSL | hsl(356, 68%, 25%) |
| OKLCH | oklch(35.3% 0.121 22.8) |
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 #6D151B | 11.84:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #6D151B | 1.77:1 | Fails | Lc 8.0 | Not readable |
| #6D151B text on white | 11.84:1 | AAA | Lc 95.9 | Preferred for body text |
| #6D151B text on black | 1.77:1 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E2
oklch(93.5% 0.026 20.5)
-
Step 200
200
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F6AAA5
oklch(81% 0.09 23.4)
-
Step 400
400
#ED7875
oklch(70.6% 0.145 23)
-
Step 500
500
#E44E52
oklch(63.1% 0.186 22.7)
-
Step 600
600
#CF2636
oklch(55.5% 0.202 22.8)
-
Step 700
700
#B31429
oklch(49.1% 0.188 22.7)
-
Step 800
800
#911723
oklch(42.6% 0.155 22.7)
-
Step 900
900 (this color)
#6D151B
oklch(35.3% 0.121 22.8)
-
Step 950
950
#451314
oklch(27% 0.077 22.7)
#6D151B 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) | #2F2B1A | 0.133 |
| Deuteranopia (no green cones) | #453E18 | 0.121 |
| Tritanopia (no blue cones) | #780018 | 0.026 |
| Achromatopsia (no color) | #373737 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D151B
#6D151B
oklch(35.3% 0.121 22.8)
- #004449
#004449
oklch(35.2% 0.06 203.1)
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 #6D151B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.020
- Claret #680018 ΔE 0.029
- Blood #770001 ΔE 0.029
- Wine Red #7B0323 ΔE 0.034
- Bordeaux #7B002C ΔE 0.043
- Maroon #800000 ΔE 0.044
- Burgundy #610023 ΔE 0.048
- Chestnut #742802 ΔE 0.051
Use #6D151B 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.