#6B1505
Closest named color: Reddy Brown (#6E1005). oklch(34.7% 0.122 32.7), rgb(107, 21, 5).
Aa
White text reads best on this color (12.10:1).
About this color
#6B1505 is a dark, moderately saturated red. In OKLCH its lightness is 35%, its chroma 0.122 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.008 away. White text reads best on it, at 12.10:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.73:1 |
| White text | 12.10:1 |
Values
| HEX | #6B1505 |
| RGB | rgb(107, 21, 5) |
| HSL | hsl(9, 91%, 22%) |
| OKLCH | oklch(34.7% 0.122 32.7) |
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 #6B1505 | 12.10:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #6B1505 | 1.73:1 | Fails | Lc 7.5 | Not readable |
| #6B1505 text on white | 12.10:1 | AAA | Lc 96.4 | Preferred for body text |
| #6B1505 text on black | 1.73:1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC4
oklch(88.6% 0.051 33.3)
-
Step 300
300
#F6AB9B
oklch(80.9% 0.092 32.5)
-
Step 400
400
#ED7A63
oklch(70.6% 0.147 32.6)
-
Step 500
500
#E45136
oklch(63.1% 0.188 32.6)
-
Step 600
600
#CF2B06
oklch(55.5% 0.203 32.7)
-
Step 700
700
#B12000
oklch(49.1% 0.183 32.6)
-
Step 800
800
#911B02
oklch(42.6% 0.156 32.8)
-
Step 900
900 (this color)
#6B1505
oklch(34.7% 0.122 32.7)
-
Step 950
950
#45140B
oklch(27% 0.078 32.5)
#6B1505 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) | #302A02 | 0.130 |
| Deuteranopia (no green cones) | #453D00 | 0.118 |
| Tritanopia (no blue cones) | #770013 | 0.034 |
| Achromatopsia (no color) | #363636 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B1505
#6B1505
oklch(34.7% 0.122 32.7)
- #00424C
#00424C
oklch(34.8% 0.061 211.6)
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 #6B1505, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.008
- Blood #770001 ΔE 0.028
- Claret #680018 ΔE 0.037
- Chestnut #742802 ΔE 0.044
- Maroon #800000 ΔE 0.045
- Wine Red #7B0323 ΔE 0.051
- Burgundy #610023 ΔE 0.059
- Bordeaux #7B002C ΔE 0.062
Use #6B1505 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.