#334546
Closest named color: Charcoal Grey (#3C4142). oklch(37.5% 0.023 200.5), rgb(51, 69, 70).
Aa
White text reads best on this color (10.09:1).
About this color
#334546 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.017 away. White text reads best on it, at 10.09:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.09:1 |
Values
| HEX | #334546 |
| RGB | rgb(51, 69, 70) |
| HSL | hsl(183, 16%, 24%) |
| OKLCH | oklch(37.5% 0.023 200.5) |
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 #334546 | 10.09:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #334546 | 2.08:1 | Fails | Lc 10.5 | Not readable |
| #334546 text on white | 10.09:1 | AAA | Lc 93.4 | Preferred for body text |
| #334546 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B5C4C5
oklch(80.9% 0.017 201.7)
-
Step 400
400
#8DA6A7
oklch(70.6% 0.028 199.5)
-
Step 500
500
#719092
oklch(63% 0.035 201.2)
-
Step 600
600
#597A7C
oklch(55.5% 0.038 200.8)
-
Step 700
700
#496769
oklch(49.1% 0.035 201.3)
-
Step 800
800
#3C5455
oklch(42.7% 0.029 199.3)
-
Step 900
900 (this color)
#334546
oklch(37.5% 0.023 200.5)
-
Step 950
950
#1E2929
oklch(27.1% 0.015 196.3)
#334546 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) | #424346 | 0.023 |
| Deuteranopia (no green cones) | #3F4146 | 0.021 |
| Tritanopia (no blue cones) | #2D4645 | 0.009 |
| Achromatopsia (no color) | #424242 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334546
#334546
oklch(37.5% 0.023 200.5)
- #4D3D3C
#4D3D3C
oklch(37.7% 0.023 22.4)
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 #334546, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.017
- Charcoal #264653 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.031
- Onyx #343A40 ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.037
- Dark Teal #014D4E ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.049
- Dark Blue Green #005249 ΔE 0.052
Use #334546 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.