#334550
Closest named color: Charcoal (#264653). oklch(38% 0.03 235.4), rgb(51, 69, 80).
Aa
White text reads best on this color (9.96:1).
About this color
#334550 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Charcoal (#264653), ΔE 0.016 away. White text reads best on it, at 9.96:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Charcoal (#264653) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #334550 |
| RGB | rgb(51, 69, 80) |
| HSL | hsl(203, 22%, 26%) |
| OKLCH | oklch(38% 0.03 235.4) |
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 #334550 | 9.96:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #334550 | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #334550 text on white | 9.96:1 | AAA | Lc 93.1 | Preferred for body text |
| #334550 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBEE
oklch(93.7% 0.007 233.6)
-
Step 200
200
#D2DBE0
oklch(88.6% 0.012 231.7)
-
Step 300
300
#B4C3CD
oklch(80.9% 0.022 236.8)
-
Step 400
400
#8CA5B4
oklch(70.8% 0.035 234.3)
-
Step 500
500
#6F8EA1
oklch(63% 0.045 235.3)
-
Step 600
600
#57788C
oklch(55.5% 0.049 235.4)
-
Step 700
700
#476577
oklch(49.1% 0.045 235.3)
-
Step 800
800
#3A5361
oklch(42.8% 0.038 233.4)
-
Step 900
900 (this color)
#334550
oklch(38% 0.03 235.4)
-
Step 950
950
#1E282E
oklch(27% 0.018 234.7)
#334550 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) | #404451 | 0.020 |
| Deuteranopia (no green cones) | #3C4150 | 0.017 |
| Tritanopia (no blue cones) | #294848 | 0.024 |
| Achromatopsia (no color) | #434343 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334550
#334550
oklch(38% 0.03 235.4)
- #4F3E33
#4F3E33
oklch(37.9% 0.03 54.5)
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 #334550, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.016
- Dark Grey Blue #29465B ΔE 0.021
- Charcoal Grey #3C4142 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.034
- Onyx #343A40 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.044
- Dark Teal #014D4E ΔE 0.046
- Deep Teal #00555A ΔE 0.056
Use #334550 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.