#6D2121
Closest named color: Reddy Brown (#6E1005). oklch(36.7% 0.108 24.1), rgb(109, 33, 33).
Aa
White text reads best on this color (11.11:1).
About this color
#6D2121 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.108 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.031 away. White text reads best on it, at 11.11:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #6D2121 |
| RGB | rgb(109, 33, 33) |
| HSL | hsl(0, 54%, 28%) |
| OKLCH | oklch(36.7% 0.108 24.1) |
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 #6D2121 | 11.11:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #6D2121 | 1.88:1 | Fails | Lc 9.1 | Not readable |
| #6D2121 text on white | 11.11:1 | AAA | Lc 94.9 | Preferred for body text |
| #6D2121 text on black | 1.88:1 | Fails | Lc -7.8 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F1ADA7
oklch(81% 0.081 24.7)
-
Step 400
400
#E67E78
oklch(70.7% 0.129 24.3)
-
Step 500
500
#DC5856
oklch(63.1% 0.166 24)
-
Step 600
600
#C7383B
oklch(55.6% 0.18 24.2)
-
Step 700
700
#AC282D
oklch(49.2% 0.168 24.2)
-
Step 800
800
#8B2426
oklch(42.7% 0.138 24.3)
-
Step 900
900 (this color)
#6D2121
oklch(36.7% 0.108 24.1)
-
Step 950
950
#421615
oklch(27% 0.069 24.1)
#6D2121 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) | #353120 | 0.117 |
| Deuteranopia (no green cones) | #49421F | 0.107 |
| Tritanopia (no blue cones) | #780E22 | 0.032 |
| Achromatopsia (no color) | #3C3C3C | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D2121
#6D2121
oklch(36.7% 0.108 24.1)
- #00484E
#00484E
oklch(36.6% 0.062 204.3)
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 #6D2121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.031
- Chestnut #742802 ΔE 0.040
- Blood #770001 ΔE 0.041
- Wine Red #7B0323 ΔE 0.042
- Claret #680018 ΔE 0.047
- Maroon #800000 ΔE 0.049
- Bordeaux #7B002C ΔE 0.050
- Purple Brown #673A3F ΔE 0.060
Use #6D2121 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.