#64121B
Closest named color: Claret (#680018). oklch(33.2% 0.114 20.6), rgb(100, 18, 27).
Aa
White text reads best on this color (12.77:1).
About this color
#64121B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.114 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.018 away. White text reads best on it, at 12.77:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.114) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.64:1 |
| White text | 12.77:1 |
Values
| HEX | #64121B |
| RGB | rgb(100, 18, 27) |
| HSL | hsl(353, 69%, 23%) |
| OKLCH | oklch(33.2% 0.114 20.6) |
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 #64121B | 12.77:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #64121B | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #64121B text on white | 12.77:1 | AAA | Lc 97.7 | Preferred for body text |
| #64121B text on black | 1.64:1 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#FAE4E3
oklch(93.6% 0.024 20.7)
-
Step 200
200
#F7CDCC
oklch(88.4% 0.048 19.7)
-
Step 300
300
#F3ABA9
oklch(80.9% 0.085 20.9)
-
Step 400
400
#E97B7C
oklch(70.7% 0.136 20.5)
-
Step 500
500
#DF535A
oklch(63.1% 0.175 20.8)
-
Step 600
600
#CB2F40
oklch(55.6% 0.191 20.7)
-
Step 700
700
#AF1F32
oklch(49.1% 0.177 20.7)
-
Step 800
800
#8E1E2A
oklch(42.7% 0.147 20.7)
-
Step 900
900 (this color)
#64121B
oklch(33.2% 0.114 20.6)
-
Step 950
950
#431517
oklch(27% 0.071 20.7)
#64121B 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) | #2A271B | 0.126 |
| Deuteranopia (no green cones) | #3F3918 | 0.116 |
| Tritanopia (no blue cones) | #6F0016 | 0.026 |
| Achromatopsia (no color) | #323232 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64121B
#64121B
oklch(33.2% 0.114 20.6)
- #003E42
#003E42
oklch(33.1% 0.056 202)
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 #64121B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.018
- Reddy Brown #6E1005 ΔE 0.031
- Burgundy #610023 ΔE 0.031
- Blood #770001 ΔE 0.045
- Wine Red #7B0323 ΔE 0.052
- Bordeaux #7B002C ΔE 0.057
- Merlot #730039 ΔE 0.061
- Maroon #800000 ΔE 0.063
Use #64121B 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.