#334E60
Closest named color: Dark Grey Blue (#29465B). oklch(41% 0.045 238.5), rgb(51, 78, 96).
Aa
White text reads best on this color (8.75:1).
About this color
#334E60 is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.045 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 8.75:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #334E60 |
| RGB | rgb(51, 78, 96) |
| HSL | hsl(204, 31%, 29%) |
| OKLCH | oklch(41% 0.045 238.5) |
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 #334E60 | 8.75:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #334E60 | 2.39:1 | Fails | Lc 14.1 | Not readable |
| #334E60 text on white | 8.75:1 | AAA | Lc 89.9 | Fine for body text |
| #334E60 text on black | 2.39:1 | Fails | Lc -12.3 | 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 800.
-
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
#D1DBE2
oklch(88.6% 0.015 238)
-
Step 300
300
#B2C3D0
oklch(80.8% 0.026 240.7)
-
Step 400
400
#89A5B8
oklch(70.7% 0.042 237.9)
-
Step 500
500
#6B8FA6
oklch(63.2% 0.053 236.7)
-
Step 600
600
#537892
oklch(55.5% 0.058 239.8)
-
Step 700
700
#43657C
oklch(49% 0.054 238.9)
-
Step 800
800 (this color)
#334E60
oklch(41% 0.045 238.5)
-
Step 900
900
#304452
oklch(37.6% 0.035 239.4)
-
Step 950
950
#1C2830
oklch(26.9% 0.022 237.9)
#334E60 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) | #464E61 | 0.026 |
| Deuteranopia (no green cones) | #404960 | 0.022 |
| Tritanopia (no blue cones) | #205354 | 0.036 |
| Achromatopsia (no color) | #4B4B4B | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334E60
#334E60
oklch(41% 0.045 238.5)
- #5D4532
#5D4532
oklch(41.1% 0.045 59.5)
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 #334E60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.031
- Charcoal #264653 ΔE 0.036
- Deep Teal #00555A ΔE 0.043
- Dark Teal #014D4E ΔE 0.052
- YInMn Blue #415A77 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.055
- Petrol #005F6A ΔE 0.056
Use #334E60 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.