#421F2E
Closest named color: Space Cadet (#2B2D42). oklch(29.3% 0.058 354.2), rgb(66, 31, 46).
Aa
White text reads best on this color (14.31:1).
About this color
#421F2E is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.058 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.061 away. White text reads best on it, at 14.31:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #421F2E |
| RGB | rgb(66, 31, 46) |
| HSL | hsl(334, 36%, 19%) |
| OKLCH | oklch(29.3% 0.058 354.2) |
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 #421F2E | 14.31:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #421F2E | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #421F2E text on white | 14.31:1 | AAA | Lc 100.9 | Preferred for body text |
| #421F2E text on black | 1.46:1 | 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 950.
-
Step 50
50
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F5E5EB
oklch(93.6% 0.019 352.7)
-
Step 200
200
#EFCFDB
oklch(88.5% 0.039 353.3)
-
Step 300
300
#E5AFC3
oklch(80.9% 0.068 354.6)
-
Step 400
400
#D683A5
oklch(70.7% 0.11 354.2)
-
Step 500
500
#C9628F
oklch(63.2% 0.14 354.4)
-
Step 600
600
#B44679
oklch(55.7% 0.152 354.3)
-
Step 700
700
#9A3766
oklch(49.1% 0.141 354.1)
-
Step 800
800
#7D2E53
oklch(42.6% 0.117 354.1)
-
Step 900
900
#652A45
oklch(37.7% 0.091 353.7)
-
Step 950
950 (this color)
#421F2E
oklch(29.3% 0.058 354.2)
#421F2E 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) | #23262F | 0.063 |
| Deuteranopia (no green cones) | #2C2D2D | 0.059 |
| Tritanopia (no blue cones) | #471D24 | 0.020 |
| Achromatopsia (no color) | #2A2A2A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421F2E
#421F2E
oklch(29.3% 0.058 354.2)
- #00352A
#00352A
oklch(29.3% 0.056 174)
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 #421F2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.061
- Aubergine #3D0734 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.066
- Dark Plum #3F012C ΔE 0.066
- Eggplant #380835 ΔE 0.067
- Jet #212529 ΔE 0.069
- Gunmetal #293241 ΔE 0.070
- Eggplant Purple #430541 ΔE 0.071
Use #421F2E 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.