#6B2133
Closest named color: Bordeaux (#7B002C). oklch(36.8% 0.106 9.3), rgb(107, 33, 51).
Aa
White text reads best on this color (11.10:1).
About this color
#6B2133 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.043 away. White text reads best on it, at 11.10:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Bordeaux (#7B002C) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #6B2133 |
| RGB | rgb(107, 33, 51) |
| HSL | hsl(345, 53%, 27%) |
| OKLCH | oklch(36.8% 0.106 9.3) |
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 #6B2133 | 11.10:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #6B2133 | 1.89:1 | Fails | Lc 9.0 | Not readable |
| #6B2133 text on white | 11.10:1 | AAA | Lc 94.9 | Preferred for body text |
| #6B2133 text on black | 1.89:1 | Fails | Lc -7.7 | 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
#FCF3F4
oklch(97.1% 0.01 9.5)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F5CED3
oklch(88.6% 0.044 9.3)
-
Step 300
300
#EFACB5
oklch(81% 0.079 10.1)
-
Step 400
400
#E37D8F
oklch(70.7% 0.127 9.6)
-
Step 500
500
#D85874
oklch(63.2% 0.162 9.5)
-
Step 600
600
#C3385D
oklch(55.7% 0.176 9.3)
-
Step 700
700
#A8284C
oklch(49.1% 0.164 9.4)
-
Step 800
800
#88243F
oklch(42.7% 0.135 9.1)
-
Step 900
900 (this color)
#6B2133
oklch(36.8% 0.106 9.3)
-
Step 950
950
#41161F
oklch(27% 0.067 9.8)
#6B2133 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) | #323233 | 0.117 |
| Deuteranopia (no green cones) | #454131 | 0.108 |
| Tritanopia (no blue cones) | #751528 | 0.027 |
| Achromatopsia (no color) | #3C3C3C | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B2133
#6B2133
oklch(36.8% 0.106 9.3)
- #004A46
#004A46
oklch(36.9% 0.064 188.6)
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 #6B2133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bordeaux #7B002C ΔE 0.043
- Wine Red #7B0323 ΔE 0.044
- Merlot #730039 ΔE 0.045
- Claret #680018 ΔE 0.052
- Reddy Brown #6E1005 ΔE 0.053
- Purple Brown #673A3F ΔE 0.056
- Burgundy #610023 ΔE 0.057
- Wine #80013F ΔE 0.057
Use #6B2133 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.