#37252B
Closest named color: Jet (#212529). oklch(28.9% 0.029 357.3), rgb(55, 37, 43).
Aa
White text reads best on this color (14.36:1).
About this color
#37252B is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 14.36:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.46:1 |
| White text | 14.36:1 |
Values
| HEX | #37252B |
| RGB | rgb(55, 37, 43) |
| HSL | hsl(340, 20%, 18%) |
| OKLCH | oklch(28.9% 0.029 357.3) |
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 #37252B | 14.36:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #37252B | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #37252B text on white | 14.36:1 | AAA | Lc 101.1 | Preferred for body text |
| #37252B text on black | 1.46:1 | 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
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E4D4D9
oklch(88.4% 0.019 356.5)
-
Step 300
300
#D4B8C1
oklch(80.9% 0.034 356.5)
-
Step 400
400
#BE93A1
oklch(70.8% 0.055 357.2)
-
Step 500
500
#AD788A
oklch(63.2% 0.07 357.2)
-
Step 600
600
#986074
oklch(55.6% 0.077 356.9)
-
Step 700
700
#814F61
oklch(49% 0.071 356.9)
-
Step 800
800
#69414F
oklch(42.6% 0.059 357.3)
-
Step 900
900
#563742
oklch(37.7% 0.047 356.7)
-
Step 950
950 (this color)
#37252B
oklch(28.9% 0.029 357.3)
#37252B 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) | #27282B | 0.031 |
| Deuteranopia (no green cones) | #2B2B2B | 0.029 |
| Tritanopia (no blue cones) | #3A2427 | 0.009 |
| Achromatopsia (no color) | #2A2A2A | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37252B
#37252B
oklch(28.9% 0.029 357.3)
- #1B302B
#1B302B
oklch(29% 0.029 177.4)
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 #37252B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.051
- Dark #1B2431 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.057
- Dark Brown #341C02 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.062
- Onyx #343A40 ΔE 0.067
Use #37252B 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.