#37272D
Closest named color: Space Cadet (#2B2D42). oklch(29.4% 0.026 354.5), rgb(55, 39, 45).
Aa
White text reads best on this color (14.08:1).
About this color
#37272D is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 14.08:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.08:1 |
Values
| HEX | #37272D |
| RGB | rgb(55, 39, 45) |
| HSL | hsl(338, 17%, 18%) |
| OKLCH | oklch(29.4% 0.026 354.5) |
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 #37272D | 14.08:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #37272D | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37272D text on white | 14.08:1 | AAA | Lc 100.7 | Preferred for body text |
| #37272D text on black | 1.49:1 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7EA
oklch(93.5% 0.01 352.4)
-
Step 200
200
#E3D5DA
oklch(88.6% 0.017 353.7)
-
Step 300
300
#D2B9C2
oklch(81% 0.031 354)
-
Step 400
400
#BA94A2
oklch(70.6% 0.049 354.4)
-
Step 500
500
#A97A8C
oklch(63.2% 0.063 354.3)
-
Step 600
600
#936376
oklch(55.6% 0.067 354.1)
-
Step 700
700
#7E5163
oklch(49.1% 0.065 354.1)
-
Step 800
800
#664351
oklch(42.7% 0.052 353.9)
-
Step 900
900
#533943
oklch(37.8% 0.04 354.4)
-
Step 950
950 (this color)
#37272D
oklch(29.4% 0.026 354.5)
#37272D 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) | #292A2D | 0.027 |
| Deuteranopia (no green cones) | #2C2C2D | 0.025 |
| Tritanopia (no blue cones) | #3A2629 | 0.009 |
| Achromatopsia (no color) | #2B2B2B | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37272D
#37272D
oklch(29.4% 0.026 354.5)
- #1E312B
#1E312B
oklch(29.5% 0.027 172.6)
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 #37272D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Jet #212529 ΔE 0.044
- Gunmetal #293241 ΔE 0.046
- Dark #1B2431 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
- Onyx #343A40 ΔE 0.061
- Dark Brown #341C02 ΔE 0.065
- Chocolate Brown #411900 ΔE 0.066
Use #37272D 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.