#372C33
Closest named color: Space Cadet (#2B2D42). oklch(30.8% 0.02 339.9), rgb(55, 44, 51).
Aa
White text reads best on this color (13.37:1).
About this color
#372C33 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.033 away. White text reads best on it, at 13.37:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.37:1 |
Values
| HEX | #372C33 |
| RGB | rgb(55, 44, 51) |
| HSL | hsl(322, 11%, 19%) |
| OKLCH | oklch(30.8% 0.02 339.9) |
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 #372C33 | 13.37:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #372C33 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #372C33 text on white | 13.37:1 | AAA | Lc 99.8 | Preferred for body text |
| #372C33 text on black | 1.57:1 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#DFD6DC
oklch(88.5% 0.013 337.6)
-
Step 300
300
#CCBBC5
oklch(80.9% 0.024 341.4)
-
Step 400
400
#B298A8
oklch(70.8% 0.038 340.7)
-
Step 500
500
#9E7E93
oklch(63% 0.049 339.2)
-
Step 600
600
#89677D
oklch(55.5% 0.054 340)
-
Step 700
700
#74566A
oklch(49.1% 0.049 339.2)
-
Step 800
800
#5E4656
oklch(42.6% 0.041 339.1)
-
Step 900
900
#4D3B47
oklch(37.6% 0.032 338.9)
-
Step 950
950 (this color)
#372C33
oklch(30.8% 0.02 339.9)
#372C33 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 | 0.020 |
| Deuteranopia (no green cones) | #2F3033 | 0.019 |
| Tritanopia (no blue cones) | #382C2E | 0.009 |
| Achromatopsia (no color) | #2F2F2F | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372C33
#372C33
oklch(30.8% 0.02 339.9)
- #27332C
#27332C
oklch(30.8% 0.02 159.3)
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 #372C33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.033
- Onyx #343A40 ΔE 0.044
- Jet #212529 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.058
- Dark #1B2431 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.068
Use #372C33 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.