#6B2527
Closest named color: Reddy Brown (#6E1005). oklch(37% 0.1 21.7), rgb(107, 37, 39).
Aa
White text reads best on this color (10.94:1).
About this color
#6B2527 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.100 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.040 away. White text reads best on it, at 10.94:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #6B2527 |
| RGB | rgb(107, 37, 39) |
| HSL | hsl(358, 49%, 28%) |
| OKLCH | oklch(37% 0.1 21.7) |
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 #6B2527 | 10.94:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #6B2527 | 1.91:1 | Fails | Lc 9.3 | Not readable |
| #6B2527 text on white | 10.94:1 | AAA | Lc 94.7 | Preferred for body text |
| #6B2527 text on black | 1.91:1 | Fails | Lc -7.9 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F4CFCD
oklch(88.5% 0.042 21.6)
-
Step 300
300
#EDAEAB
oklch(80.9% 0.074 21.9)
-
Step 400
400
#E2817F
oklch(70.8% 0.12 21.8)
-
Step 500
500
#D65D5E
oklch(63% 0.153 22)
-
Step 600
600
#C23F45
oklch(55.7% 0.167 21.9)
-
Step 700
700
#A72F37
oklch(49.1% 0.156 21.5)
-
Step 800
800
#87292E
oklch(42.6% 0.128 21.5)
-
Step 900
900 (this color)
#6B2527
oklch(37% 0.1 21.7)
-
Step 950
950
#401818
oklch(27% 0.063 22.2)
#6B2527 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) | #373327 | 0.107 |
| Deuteranopia (no green cones) | #484225 | 0.100 |
| Tritanopia (no blue cones) | #761726 | 0.029 |
| Achromatopsia (no color) | #3D3D3D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2527
#6B2527
oklch(37% 0.1 21.7)
- #00494E
#00494E
oklch(36.9% 0.063 202.7)
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 #6B2527, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.040
- Chestnut #742802 ΔE 0.043
- Wine Red #7B0323 ΔE 0.047
- Blood #770001 ΔE 0.050
- Purple Brown #673A3F ΔE 0.052
- Claret #680018 ΔE 0.053
- Bordeaux #7B002C ΔE 0.054
- Maroon #800000 ΔE 0.057
Use #6B2527 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.