#255144
Closest named color: Dark Blue Green (#005249). oklch(39.9% 0.054 171.9), rgb(37, 81, 68).
Aa
White text reads best on this color (8.97:1).
About this color
#255144 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.021 away. White text reads best on it, at 8.97:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.33:1 |
| White text | 8.97:1 |
Values
| HEX | #255144 |
| RGB | rgb(37, 81, 68) |
| HSL | hsl(162, 37%, 23%) |
| OKLCH | oklch(39.9% 0.054 171.9) |
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 #255144 | 8.97:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #255144 | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #255144 text on white | 8.97:1 | AAA | Lc 90.5 | Preferred for body text |
| #255144 text on black | 2.33:1 | Fails | Lc -11.8 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A7CABD
oklch(81% 0.042 170.7)
-
Step 400
400
#76AE9C
oklch(70.7% 0.065 172.3)
-
Step 500
500
#4F9A84
oklch(63.1% 0.083 172.2)
-
Step 600
600
#2E846D
oklch(55.5% 0.09 172)
-
Step 700
700
#1F705B
oklch(49.1% 0.084 171.7)
-
Step 800
800
#1D5B4A
oklch(42.6% 0.069 171.5)
-
Step 900
900 (this color)
#255144
oklch(39.9% 0.054 171.9)
-
Step 950
950
#132C24
oklch(27% 0.035 170.7)
#255144 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) | #4F4C43 | 0.056 |
| Deuteranopia (no green cones) | #484745 | 0.054 |
| Tritanopia (no blue cones) | #13524D | 0.017 |
| Achromatopsia (no color) | #494949 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255144
#255144
oklch(39.9% 0.054 171.9)
- #5E3B4B
#5E3B4B
oklch(39.9% 0.055 350.9)
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 #255144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.025
- Dark Teal #014D4E ΔE 0.033
- Deep Teal #00555A ΔE 0.037
- Charcoal #264653 ΔE 0.052
- Pine #2B5D34 ΔE 0.054
- Evergreen #05472A ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
Use #255144 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.