#422D37
Closest named color: Onyx (#343A40). oklch(32.6% 0.035 349.1), rgb(66, 45, 55).
Aa
White text reads best on this color (12.63:1).
About this color
#422D37 is a dark, muted red. In OKLCH its lightness is 33%, its chroma 0.035 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.044 away. White text reads best on it, at 12.63:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #422D37 |
| RGB | rgb(66, 45, 55) |
| HSL | hsl(331, 19%, 22%) |
| OKLCH | oklch(32.6% 0.035 349.1) |
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 #422D37 | 12.63:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #422D37 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #422D37 text on white | 12.63:1 | AAA | Lc 98.6 | Preferred for body text |
| #422D37 text on black | 1.66:1 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E1D5DA
oklch(88.4% 0.015 350.1)
-
Step 300
300
#CEBAC3
oklch(80.8% 0.026 348.7)
-
Step 400
400
#B696A5
oklch(70.7% 0.043 348.4)
-
Step 500
500
#A37D8E
oklch(63.2% 0.052 350.1)
-
Step 600
600
#8E6679
oklch(55.7% 0.058 349.1)
-
Step 700
700
#785465
oklch(49% 0.054 349.4)
-
Step 800
800
#624553
oklch(42.7% 0.045 348.7)
-
Step 900
900 (this color)
#422D37
oklch(32.6% 0.035 349.1)
-
Step 950
950
#2F2228
oklch(27% 0.022 349.3)
#422D37 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) | #2F3137 | 0.036 |
| Deuteranopia (no green cones) | #343436 | 0.033 |
| Tritanopia (no blue cones) | #452D30 | 0.014 |
| Achromatopsia (no color) | #333333 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422D37
#422D37
oklch(32.6% 0.035 349.1)
- #223A31
#223A31
oklch(32.6% 0.034 168.5)
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 #422D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.044
- Gunmetal #293241 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.068
- Jet #212529 ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.077
- Oxford Blue #1B263B ΔE 0.077
Use #422D37 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.