#255A67
Closest named color: Petrol (#005F6A). oklch(43.8% 0.06 216.4), rgb(37, 90, 103).
Aa
White text reads best on this color (7.67:1).
About this color
#255A67 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.060 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #255A67 |
| RGB | rgb(37, 90, 103) |
| HSL | hsl(192, 47%, 27%) |
| OKLCH | oklch(43.8% 0.06 216.4) |
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 #255A67 | 7.67:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #255A67 | 2.73:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #255A67 text on white | 7.67:1 | AAA | Lc 86.5 | Fine for body text |
| #255A67 text on black | 2.73:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A8C7CF
oklch(80.9% 0.035 215.1)
-
Step 400
400
#79AAB7
oklch(70.8% 0.055 216)
-
Step 500
500
#5394A5
oklch(63% 0.071 216.6)
-
Step 600
600
#357E90
oklch(55.5% 0.077 216.7)
-
Step 700
700
#266B7B
oklch(49.2% 0.072 216)
-
Step 800
800 (this color)
#255A67
oklch(43.8% 0.06 216.4)
-
Step 900
900
#214851
oklch(37.7% 0.047 214.8)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#255A67 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) | #515768 | 0.052 |
| Deuteranopia (no green cones) | #475067 | 0.047 |
| Tritanopia (no blue cones) | #005F5E | 0.031 |
| Achromatopsia (no color) | #535353 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255A67
#255A67
oklch(43.8% 0.06 216.4)
- #6F463B
#6F463B
oklch(43.8% 0.06 35.7)
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 #255A67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- Deep Teal #00555A ΔE 0.034
- YInMn Blue #415A77 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.046
- Dark Aqua #05696B ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.057
Use #255A67 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.