#255352
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.05 193.5), rgb(37, 83, 82).
Aa
White text reads best on this color (8.61:1).
About this color
#255352 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.050 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.014 away. White text reads best on it, at 8.61:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #255352 |
| RGB | rgb(37, 83, 82) |
| HSL | hsl(179, 38%, 24%) |
| OKLCH | oklch(41% 0.05 193.5) |
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 #255352 | 8.61:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #255352 | 2.43:1 | Fails | Lc 14.5 | Not readable |
| #255352 text on white | 8.61:1 | AAA | Lc 89.4 | Fine for body text |
| #255352 text on black | 2.43:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDC
oklch(88.6% 0.016 192)
-
Step 300
300
#ACC7C6
oklch(80.9% 0.029 193.9)
-
Step 400
400
#7EAAA9
oklch(70.6% 0.047 194.4)
-
Step 500
500
#5C9594
oklch(63% 0.06 194.3)
-
Step 600
600
#40807E
oklch(55.7% 0.066 192.7)
-
Step 700
700
#316C6A
oklch(49.2% 0.061 192.4)
-
Step 800
800 (this color)
#255352
oklch(41% 0.05 193.5)
-
Step 900
900
#274847
oklch(37.6% 0.039 193.1)
-
Step 950
950
#172A2A
oklch(26.9% 0.025 195.8)
#255352 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) | #4E4F52 | 0.053 |
| Deuteranopia (no green cones) | #464952 | 0.050 |
| Tritanopia (no blue cones) | #055553 | 0.018 |
| Achromatopsia (no color) | #4C4C4C | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255352
#255352
oklch(41% 0.05 193.5)
- #633F42
#633F42
oklch(41% 0.051 14.1)
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 #255352, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.014
- Deep Teal #00555A ΔE 0.021
- Dark Blue Green #005249 ΔE 0.028
- Dark Teal #014D4E ΔE 0.032
- Charcoal #264653 ΔE 0.044
- Petrol #005F6A ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.051
Use #255352 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.