#255348
Closest named color: Dark Blue Green (#005249). oklch(40.6% 0.054 175.7), rgb(37, 83, 72).
Aa
White text reads best on this color (8.71:1).
About this color
#255348 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.054 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 8.71:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #255348 |
| RGB | rgb(37, 83, 72) |
| HSL | hsl(166, 38%, 24%) |
| OKLCH | oklch(40.6% 0.054 175.7) |
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 #255348 | 8.71:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #255348 | 2.40:1 | Fails | Lc 14.3 | Not readable |
| #255348 text on white | 8.71:1 | AAA | Lc 89.7 | Fine for body text |
| #255348 text on black | 2.40:1 | Fails | Lc -12.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ACC8C0
oklch(81% 0.032 176.4)
-
Step 400
400
#7FAB9F
oklch(70.6% 0.051 176.1)
-
Step 500
500
#5D9788
oklch(63.2% 0.065 175.8)
-
Step 600
600
#418171
oklch(55.6% 0.071 175.3)
-
Step 700
700
#336D5F
oklch(49.1% 0.065 175.6)
-
Step 800
800 (this color)
#255348
oklch(40.6% 0.054 175.7)
-
Step 900
900
#284941
oklch(37.7% 0.041 176.6)
-
Step 950
950
#182B26
oklch(27.1% 0.027 175.7)
#255348 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) | #504E48 | 0.057 |
| Deuteranopia (no green cones) | #494949 | 0.054 |
| Tritanopia (no blue cones) | #105450 | 0.017 |
| Achromatopsia (no color) | #4B4B4B | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255348
#255348
oklch(40.6% 0.054 175.7)
- #613D4A
#613D4A
oklch(40.6% 0.054 356.5)
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 #255348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.023
- Deep Teal #00555A ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Dark Green Blue #1F6357 ΔE 0.050
- Pine #2B5D34 ΔE 0.053
- Charcoal #264653 ΔE 0.053
- Spruce #0A5F38 ΔE 0.056
Use #255348 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.