#6D1621
Closest named color: Reddy Brown (#6E1005). oklch(35.5% 0.12 19.3), rgb(109, 22, 33).
Aa
White text reads best on this color (11.75:1).
About this color
#6D1621 is a dark, moderately saturated red. In OKLCH its lightness is 36%, its chroma 0.120 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.028 away. White text reads best on it, at 11.75:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.78:1 |
| White text | 11.75:1 |
Values
| HEX | #6D1621 |
| RGB | rgb(109, 22, 33) |
| HSL | hsl(352, 66%, 26%) |
| OKLCH | oklch(35.5% 0.12 19.3) |
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 #6D1621 | 11.75:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #6D1621 | 1.78:1 | Fails | Lc 8.1 | Not readable |
| #6D1621 text on white | 11.75:1 | AAA | Lc 95.8 | Preferred for body text |
| #6D1621 text on black | 1.78:1 | 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
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CDCC
oklch(88.6% 0.05 19.7)
-
Step 300
300
#F5A9A9
oklch(80.8% 0.09 19.2)
-
Step 400
400
#EC787C
oklch(70.6% 0.143 19.3)
-
Step 500
500
#E34E5B
oklch(63.1% 0.184 19.2)
-
Step 600
600
#CE2741
oklch(55.6% 0.2 19.2)
-
Step 700
700
#B21533
oklch(49.1% 0.186 19.2)
-
Step 800
800
#90182B
oklch(42.6% 0.153 19.1)
-
Step 900
900 (this color)
#6D1621
oklch(35.5% 0.12 19.3)
-
Step 950
950
#441317
oklch(26.9% 0.075 19)
#6D1621 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) | #2F2C21 | 0.132 |
| Deuteranopia (no green cones) | #453F1E | 0.122 |
| Tritanopia (no blue cones) | #78001B | 0.027 |
| Achromatopsia (no color) | #383838 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D1621
#6D1621
oklch(35.5% 0.12 19.3)
- #004548
#004548
oklch(35.5% 0.06 199.7)
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 #6D1621, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.028
- Claret #680018 ΔE 0.030
- Wine Red #7B0323 ΔE 0.032
- Blood #770001 ΔE 0.035
- Bordeaux #7B002C ΔE 0.039
- Burgundy #610023 ΔE 0.045
- Maroon #800000 ΔE 0.047
- Merlot #730039 ΔE 0.050
Use #6D1621 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.