#641B28
Closest named color: Claret (#680018). oklch(34.5% 0.104 14.2), rgb(100, 27, 40).
Aa
White text reads best on this color (12.14:1).
About this color
#641B28 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.104 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.033 away. White text reads best on it, at 12.14:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.72:1 |
| White text | 12.14:1 |
Values
| HEX | #641B28 |
| RGB | rgb(100, 27, 40) |
| HSL | hsl(349, 57%, 25%) |
| OKLCH | oklch(34.5% 0.104 14.2) |
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 #641B28 | 12.14:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #641B28 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #641B28 text on white | 12.14:1 | AAA | Lc 96.9 | Preferred for body text |
| #641B28 text on black | 1.72:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#EFACB1
oklch(80.9% 0.079 14)
-
Step 400
400
#E37E88
oklch(70.7% 0.125 14.5)
-
Step 500
500
#D8596B
oklch(63.1% 0.16 14.3)
-
Step 600
600
#C33953
oklch(55.5% 0.174 14.1)
-
Step 700
700
#A82A44
oklch(49.1% 0.162 14)
-
Step 800
800
#892538
oklch(42.8% 0.134 14.1)
-
Step 900
900 (this color)
#641B28
oklch(34.5% 0.104 14.2)
-
Step 950
950
#41161C
oklch(27% 0.067 14.3)
#641B28 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) | #2D2C28 | 0.116 |
| Deuteranopia (no green cones) | #403B26 | 0.106 |
| Tritanopia (no blue cones) | #6E0B20 | 0.026 |
| Achromatopsia (no color) | #363636 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #641B28
#641B28
oklch(34.5% 0.104 14.2)
- #004242
#004242
oklch(34.3% 0.059 194.8)
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 #641B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.033
- Burgundy #610023 ΔE 0.038
- Reddy Brown #6E1005 ΔE 0.042
- Wine Red #7B0323 ΔE 0.050
- Bordeaux #7B002C ΔE 0.053
- Merlot #730039 ΔE 0.053
- Blood #770001 ΔE 0.054
- Chestnut #742802 ΔE 0.067
Use #641B28 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.