#334754
Closest named color: Charcoal (#264653). oklch(38.7% 0.034 237.3), rgb(51, 71, 84).
Aa
White text reads best on this color (9.67:1).
About this color
#334754 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.034 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.017 away. White text reads best on it, at 9.67:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #334754 |
| RGB | rgb(51, 71, 84) |
| HSL | hsl(204, 24%, 26%) |
| OKLCH | oklch(38.7% 0.034 237.3) |
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 #334754 | 9.67:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #334754 | 2.17:1 | Fails | Lc 11.5 | Not readable |
| #334754 text on white | 9.67:1 | AAA | Lc 92.4 | Preferred for body text |
| #334754 text on black | 2.17:1 | Fails | Lc -10.0 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B2C3CF
oklch(80.8% 0.025 238.5)
-
Step 400
400
#8AA5B7
oklch(70.8% 0.04 237.3)
-
Step 500
500
#6C8FA5
oklch(63.2% 0.051 236.2)
-
Step 600
600
#537990
oklch(55.7% 0.056 235.7)
-
Step 700
700
#44657B
oklch(49% 0.052 238.4)
-
Step 800
800
#385364
oklch(42.8% 0.043 236.8)
-
Step 900
900 (this color)
#334754
oklch(38.7% 0.034 237.3)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#334754 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) | #414755 | 0.021 |
| Deuteranopia (no green cones) | #3D4354 | 0.018 |
| Tritanopia (no blue cones) | #284A4B | 0.025 |
| Achromatopsia (no color) | #444444 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334754
#334754
oklch(38.7% 0.034 237.3)
- #524033
#524033
oklch(38.7% 0.033 57.4)
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 #334754, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.017
- Dark Grey Blue #29465B ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.030
- Charcoal Grey #3C4142 ΔE 0.032
- Dark Teal #014D4E ΔE 0.045
- Onyx #343A40 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.050
- Deep Teal #00555A ΔE 0.052
Use #334754 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.