#354337
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.027 149), rgb(53, 67, 55).
Aa
White text reads best on this color (10.45:1).
About this color
#354337 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.025 away. White text reads best on it, at 10.45:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #354337 |
| RGB | rgb(53, 67, 55) |
| HSL | hsl(129, 12%, 24%) |
| OKLCH | oklch(36.6% 0.027 149) |
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 #354337 | 10.45:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #354337 | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #354337 text on white | 10.45:1 | AAA | Lc 94.3 | Preferred for body text |
| #354337 text on black | 2.00:1 | Fails | Lc -8.3 | 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
#D4DBD5
oklch(88.4% 0.011 149.8)
-
Step 300
300
#B8C4BA
oklch(80.8% 0.019 150.5)
-
Step 400
400
#93A796
oklch(70.8% 0.033 149.6)
-
Step 500
500
#78917C
oklch(63.1% 0.042 149.7)
-
Step 600
600
#617B65
oklch(55.6% 0.045 149.2)
-
Step 700
700
#506854
oklch(49.2% 0.043 149.6)
-
Step 800
800
#425545
oklch(42.8% 0.035 149.4)
-
Step 900
900 (this color)
#354337
oklch(36.6% 0.027 149)
-
Step 950
950
#212922
oklch(27.1% 0.017 148.6)
#354337 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) | #434036 | 0.023 |
| Deuteranopia (no green cones) | #413F38 | 0.023 |
| Tritanopia (no blue cones) | #334240 | 0.017 |
| Achromatopsia (no color) | #3F3F3F | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354337
#354337
oklch(36.6% 0.027 149)
- #473A46
#473A46
oklch(36.7% 0.027 328.6)
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 #354337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.025
- Onyx #343A40 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Dark Teal #014D4E ΔE 0.052
- Evergreen #05472A ΔE 0.055
- Dark Blue Green #005249 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.060
Use #354337 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.