#3F2A33
Closest named color: Space Cadet (#2B2D42). oklch(31.3% 0.034 351.9), rgb(63, 42, 51).
Aa
White text reads best on this color (13.20:1).
About this color
#3F2A33 is a dark, muted red. In OKLCH its lightness is 31%, its chroma 0.034 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.043 away. White text reads best on it, at 13.20:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.59:1 |
| White text | 13.20:1 |
Values
| HEX | #3F2A33 |
| RGB | rgb(63, 42, 51) |
| HSL | hsl(334, 20%, 21%) |
| OKLCH | oklch(31.3% 0.034 351.9) |
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 #3F2A33 | 13.20:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #3F2A33 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #3F2A33 text on white | 13.20:1 | AAA | Lc 99.5 | Preferred for body text |
| #3F2A33 text on black | 1.59:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E6D3DB
oklch(88.5% 0.024 350.2)
-
Step 300
300
#D7B6C3
oklch(80.9% 0.042 352.4)
-
Step 400
400
#C190A5
oklch(70.6% 0.065 351.4)
-
Step 500
500
#B1748F
oklch(63.1% 0.084 351.7)
-
Step 600
600
#9C5C79
oklch(55.6% 0.091 351.8)
-
Step 700
700
#854C66
oklch(49.2% 0.084 351.8)
-
Step 800
800
#6C3E53
oklch(42.6% 0.07 351.6)
-
Step 900
900
#583545
oklch(37.7% 0.055 351.1)
-
Step 950
950 (this color)
#3F2A33
oklch(31.3% 0.034 351.9)
#3F2A33 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) | #2C2E33 | 0.037 |
| Deuteranopia (no green cones) | #313132 | 0.034 |
| Tritanopia (no blue cones) | #42292D | 0.011 |
| Achromatopsia (no color) | #303030 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2A33
#3F2A33
oklch(31.3% 0.034 351.9)
- #1E372F
#1E372F
oklch(31.4% 0.035 171.6)
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 #3F2A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.043
- Gunmetal #293241 ΔE 0.046
- Onyx #343A40 ΔE 0.051
- Jet #212529 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.070
- Dark #1B2431 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.072
Use #3F2A33 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.