#372D39
Closest named color: Space Cadet (#2B2D42). oklch(31.3% 0.025 320.6), rgb(55, 45, 57).
Aa
White text reads best on this color (13.15:1).
About this color
#372D39 is a dark close to neutral grey. In OKLCH its lightness is 31%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.026 away. White text reads best on it, at 13.15:1.
| Hue family | Neutrals |
| Lightness | dark (31%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #372D39 |
| RGB | rgb(55, 45, 57) |
| HSL | hsl(290, 12%, 20%) |
| OKLCH | oklch(31.3% 0.025 320.6) |
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 #372D39 | 13.15:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #372D39 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #372D39 text on white | 13.15:1 | AAA | Lc 99.5 | Preferred for body text |
| #372D39 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
#F7F5F7
oklch(97.2% 0.003 325.6)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DED6E0
oklch(88.5% 0.016 319.4)
-
Step 300
300
#CABBCD
oklch(81% 0.03 320.6)
-
Step 400
400
#AF97B3
oklch(70.7% 0.048 321.5)
-
Step 500
500
#9B7EA0
oklch(63.2% 0.06 321.4)
-
Step 600
600
#85678B
oklch(55.6% 0.065 320.7)
-
Step 700
700
#715576
oklch(49.1% 0.062 321.3)
-
Step 800
800
#5C4660
oklch(42.7% 0.05 321.2)
-
Step 900
900
#4B3B4F
oklch(37.7% 0.039 319.5)
-
Step 950
950 (this color)
#372D39
oklch(31.3% 0.025 320.6)
#372D39 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) | #2C303A | 0.021 |
| Deuteranopia (no green cones) | #2E3139 | 0.020 |
| Tritanopia (no blue cones) | #372E31 | 0.016 |
| Achromatopsia (no color) | #303030 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372D39
#372D39
oklch(31.3% 0.025 320.6)
- #2A3428
#2A3428
oklch(31.2% 0.025 140.4)
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 #372D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.026
- Gunmetal #293241 ΔE 0.028
- Onyx #343A40 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.056
- Jet #212529 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.057
- Dark #1B2431 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.063
Use #372D39 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.