#334237
Closest named color: Charcoal Grey (#3C4142). oklch(36.2% 0.027 153.1), rgb(51, 66, 55).
Aa
White text reads best on this color (10.63:1).
About this color
#334237 is a dark close to neutral grey. In OKLCH its lightness is 36%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.026 away. White text reads best on it, at 10.63:1.
| Hue family | Neutrals |
| Lightness | dark (36%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.97:1 |
| White text | 10.63:1 |
Values
| HEX | #334237 |
| RGB | rgb(51, 66, 55) |
| HSL | hsl(136, 13%, 23%) |
| OKLCH | oklch(36.2% 0.027 153.1) |
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 #334237 | 10.63:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #334237 | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #334237 text on white | 10.63:1 | AAA | Lc 94.7 | Preferred for body text |
| #334237 text on black | 1.97:1 | Fails | Lc -7.9 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD6
oklch(88.5% 0.01 155.1)
-
Step 300
300
#B7C5BA
oklch(80.9% 0.022 152.1)
-
Step 400
400
#92A797
oklch(70.7% 0.033 152.6)
-
Step 500
500
#77917E
oklch(63.1% 0.041 153.4)
-
Step 600
600
#5F7B67
oklch(55.5% 0.045 153.7)
-
Step 700
700
#4F6856
oklch(49.2% 0.041 153.4)
-
Step 800
800
#415546
oklch(42.8% 0.035 152.4)
-
Step 900
900 (this color)
#334237
oklch(36.2% 0.027 153.1)
-
Step 950
950
#202922
oklch(27% 0.018 151.7)
#334237 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) | #423F36 | 0.025 |
| Deuteranopia (no green cones) | #3F3E38 | 0.023 |
| Tritanopia (no blue cones) | #31423F | 0.014 |
| Achromatopsia (no color) | #3E3E3E | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334237
#334237
oklch(36.2% 0.027 153.1)
- #473944
#473944
oklch(36.4% 0.027 333.6)
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 #334237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.026
- Onyx #343A40 ΔE 0.036
- Charcoal #264653 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Teal #014D4E ΔE 0.052
- Evergreen #05472A ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
- Dark Blue Green #005249 ΔE 0.058
Use #334237 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.