#372A33
Closest named color: Space Cadet (#2B2D42). oklch(30.3% 0.024 337.7), rgb(55, 42, 51).
Aa
White text reads best on this color (13.62:1).
About this color
#372A33 is a dark close to neutral grey. In OKLCH its lightness is 30%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.032 away. White text reads best on it, at 13.62:1.
| Hue family | Neutrals |
| Lightness | dark (30%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.62:1 |
Values
| HEX | #372A33 |
| RGB | rgb(55, 42, 51) |
| HSL | hsl(318, 13%, 19%) |
| OKLCH | oklch(30.3% 0.024 337.7) |
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 #372A33 | 13.62:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #372A33 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #372A33 text on white | 13.62:1 | AAA | Lc 100.1 | Preferred for body text |
| #372A33 text on black | 1.54:1 | 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EEE8EC
oklch(93.7% 0.008 337.4)
-
Step 200
200
#E1D5DD
oklch(88.5% 0.017 337.6)
-
Step 300
300
#CEBAC7
oklch(81% 0.029 338.7)
-
Step 400
400
#B496AB
oklch(70.7% 0.046 337)
-
Step 500
500
#A27C96
oklch(63.1% 0.059 338.3)
-
Step 600
600
#8C6581
oklch(55.6% 0.064 337.1)
-
Step 700
700
#77546D
oklch(49.2% 0.059 337.3)
-
Step 800
800
#614459
oklch(42.6% 0.051 336.9)
-
Step 900
900
#4F3A49
oklch(37.7% 0.038 337)
-
Step 950
950 (this color)
#372A33
oklch(30.3% 0.024 337.7)
#372A33 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) | #2A2D33 | 0.025 |
| Deuteranopia (no green cones) | #2D2E33 | 0.022 |
| Tritanopia (no blue cones) | #392A2D | 0.011 |
| Achromatopsia (no color) | #2E2E2E | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #372A33
#372A33
oklch(30.3% 0.024 337.7)
- #24322A
#24322A
oklch(30.2% 0.024 159.5)
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 #372A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.032
- Gunmetal #293241 ΔE 0.036
- Jet #212529 ΔE 0.049
- Onyx #343A40 ΔE 0.050
- Oxford Blue #1B263B ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.072
Use #372A33 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.