#334A52
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.3% 0.031 221.5), rgb(51, 74, 82).
Aa
White text reads best on this color (9.36:1).
About this color
#334A52 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.031 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.019 away. White text reads best on it, at 9.36:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #334A52 |
| RGB | rgb(51, 74, 82) |
| HSL | hsl(195, 23%, 26%) |
| OKLCH | oklch(39.3% 0.031 221.5) |
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 #334A52 | 9.36:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #334A52 | 2.24:1 | Fails | Lc 12.3 | Not readable |
| #334A52 text on white | 9.36:1 | AAA | Lc 91.6 | Preferred for body text |
| #334A52 text on black | 2.24:1 | Fails | Lc -10.8 | 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
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B1C4CB
oklch(80.8% 0.023 221.9)
-
Step 400
400
#88A6B1
oklch(70.6% 0.037 222.1)
-
Step 500
500
#69919E
oklch(63.2% 0.048 220)
-
Step 600
600
#507B89
oklch(55.7% 0.052 220.4)
-
Step 700
700
#406774
oklch(49% 0.049 221.1)
-
Step 800
800
#35545F
oklch(42.6% 0.041 222.4)
-
Step 900
900 (this color)
#334A52
oklch(39.3% 0.031 221.5)
-
Step 950
950
#1C292D
oklch(27.1% 0.019 218.7)
#334A52 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) | #454952 | 0.026 |
| Deuteranopia (no green cones) | #404552 | 0.023 |
| Tritanopia (no blue cones) | #284D4C | 0.021 |
| Achromatopsia (no color) | #464646 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334A52
#334A52
oklch(39.3% 0.031 221.5)
- #554139
#554139
oklch(39.4% 0.031 42.9)
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 #334A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.019
- Charcoal #264653 ΔE 0.022
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal Grey #3C4142 ΔE 0.033
- Dark Teal #014D4E ΔE 0.040
- Deep Teal #00555A ΔE 0.044
- Dark Blue Green #005249 ΔE 0.050
- Onyx #343A40 ΔE 0.052
Use #334A52 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.