#255960
Closest named color: Petrol (#005F6A). oklch(43.2% 0.056 207.2), rgb(37, 89, 96).
Aa
White text reads best on this color (7.84:1).
About this color
#255960 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.056 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.024 away. White text reads best on it, at 7.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #255960 |
| RGB | rgb(37, 89, 96) |
| HSL | hsl(187, 44%, 26%) |
| OKLCH | oklch(43.2% 0.056 207.2) |
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 #255960 | 7.84:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #255960 | 2.67:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #255960 text on white | 7.84:1 | AAA | Lc 87.1 | Fine for body text |
| #255960 text on black | 2.67:1 | Fails | Lc -15.1 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A9C7CB
oklch(80.9% 0.033 206.4)
-
Step 400
400
#7AAAB1
oklch(70.6% 0.052 207.3)
-
Step 500
500
#55959E
oklch(63% 0.067 207.2)
-
Step 600
600
#377F89
oklch(55.5% 0.073 207.6)
-
Step 700
700
#296B74
oklch(49% 0.067 207.6)
-
Step 800
800 (this color)
#255960
oklch(43.2% 0.056 207.2)
-
Step 900
900
#23484D
oklch(37.6% 0.043 206.9)
-
Step 950
950
#152A2D
oklch(26.9% 0.027 207.4)
#255960 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) | #525660 | 0.054 |
| Deuteranopia (no green cones) | #494F60 | 0.050 |
| Tritanopia (no blue cones) | #005D5B | 0.025 |
| Achromatopsia (no color) | #525252 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255960
#255960
oklch(43.2% 0.056 207.2)
- #6C443F
#6C443F
oklch(43.1% 0.057 27.4)
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 #255960, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.024
- Deep Teal #00555A ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Green Blue #1F6357 ΔE 0.040
- Dark Aqua #05696B ΔE 0.049
- Dark Blue Green #005249 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.052
- Dark Teal #014D4E ΔE 0.053
Use #255960 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.