#37291F
Closest named color: Jet (#212529). oklch(29.4% 0.027 57), rgb(55, 41, 31).
Aa
White text reads best on this color (14.00:1).
About this color
#37291F is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.049 away. White text reads best on it, at 14.00:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.49:1 |
| White text | 14.00:1 |
Values
| HEX | #37291F |
| RGB | rgb(55, 41, 31) |
| HSL | hsl(25, 28%, 17%) |
| OKLCH | oklch(29.4% 0.027 57) |
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 #37291F | 14.00:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #37291F | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #37291F text on white | 14.00:1 | AAA | Lc 100.6 | Preferred for body text |
| #37291F 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E3D6CE
oklch(88.4% 0.018 54)
-
Step 300
300
#D1BCAD
oklch(80.9% 0.032 57.8)
-
Step 400
400
#BA9982
oklch(70.7% 0.051 56.6)
-
Step 500
500
#A98062
oklch(63.2% 0.066 57.4)
-
Step 600
600
#946849
oklch(55.6% 0.072 55.8)
-
Step 700
700
#7E573A
oklch(49.2% 0.067 57.1)
-
Step 800
800
#664730
oklch(42.6% 0.055 57.2)
-
Step 900
900
#533C2B
oklch(37.7% 0.042 57.5)
-
Step 950
950 (this color)
#37291F
oklch(29.4% 0.027 57)
#37291F 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) | #2D2A1E | 0.020 |
| Deuteranopia (no green cones) | #302D1F | 0.018 |
| Tritanopia (no blue cones) | #3B2626 | 0.020 |
| Achromatopsia (no color) | #2C2C2C | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37291F
#37291F
oklch(29.4% 0.027 57)
- #1F2F38
#1F2F38
oklch(29.5% 0.027 233.5)
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 #37291F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.049
- Dark Brown #341C02 ΔE 0.049
- Chocolate Brown #411900 ΔE 0.051
- Pakistan Green #283618 ΔE 0.055
- Gunmetal #293241 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.062
- Onyx #343A40 ΔE 0.065
- Dark #1B2431 ΔE 0.065
Use #37291F 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.