#3E372A
Closest named color: Onyx (#343A40). oklch(34% 0.024 82.9), rgb(62, 55, 42).
Aa
White text reads best on this color (11.76:1).
About this color
#3E372A is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.037 away. White text reads best on it, at 11.76:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #3E372A |
| RGB | rgb(62, 55, 42) |
| HSL | hsl(39, 19%, 20%) |
| OKLCH | oklch(34% 0.024 82.9) |
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 #3E372A | 11.76:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #3E372A | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #3E372A text on white | 11.76:1 | AAA | Lc 97.0 | Preferred for body text |
| #3E372A text on black | 1.78:1 | 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 900.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EBE9E6
oklch(93.5% 0.005 78.3)
-
Step 200
200
#DCD9D2
oklch(88.6% 0.01 87.5)
-
Step 300
300
#C6C0B4
oklch(80.9% 0.018 84.6)
-
Step 400
400
#A99F8D
oklch(70.6% 0.028 82.4)
-
Step 500
500
#948871
oklch(63.1% 0.036 83.6)
-
Step 600
600
#7F7259
oklch(55.7% 0.04 83.6)
-
Step 700
700
#6B5F49
oklch(49.1% 0.037 82.5)
-
Step 800
800
#574E3C
oklch(42.8% 0.031 84.5)
-
Step 900
900 (this color)
#3E372A
oklch(34% 0.024 82.9)
-
Step 950
950
#2A261E
oklch(27% 0.015 84.5)
#3E372A 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) | #3A3729 | 0.008 |
| Deuteranopia (no green cones) | #3C392A | 0.007 |
| Tritanopia (no blue cones) | #413533 | 0.020 |
| Achromatopsia (no color) | #383838 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E372A
#3E372A
oklch(34% 0.024 82.9)
- #313845
#313845
oklch(34% 0.025 262.8)
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 #3E372A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.042
- Pakistan Green #283618 ΔE 0.049
- Gunmetal #293241 ΔE 0.059
- Dark Olive #373E02 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.070
- Charcoal #264653 ΔE 0.073
Use #3E372A 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.