#257560
Closest named color: Dark Aquamarine (#017371). oklch(50.8% 0.084 172), rgb(37, 117, 96).
Aa
White text reads best on this color (5.53:1).
About this color
#257560 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.084 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.031 away. White text reads best on it, at 5.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #257560 |
| RGB | rgb(37, 117, 96) |
| HSL | hsl(164, 52%, 30%) |
| OKLCH | oklch(50.8% 0.084 172) |
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 #257560 | 5.53:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #257560 | 3.79:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #257560 text on white | 5.53:1 | AA | Lc 77.4 | Fine for body text |
| #257560 text on black | 3.79:1 | AA large text | Lc -24.4 | 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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECE9
oklch(93.5% 0.011 176.3)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A7CABE
oklch(81% 0.041 172.4)
-
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
#2D846D
oklch(55.5% 0.09 172.1)
-
Step 700
700 (this color)
#257560
oklch(50.8% 0.084 172)
-
Step 800
800
#1C5B4B
oklch(42.6% 0.069 172.8)
-
Step 900
900
#1E4B3E
oklch(37.7% 0.055 171.7)
-
Step 950
950
#132C24
oklch(27% 0.035 170.7)
#257560 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) | #716D5F | 0.086 |
| Deuteranopia (no green cones) | #666561 | 0.083 |
| Tritanopia (no blue cones) | #00766F | 0.024 |
| Achromatopsia (no color) | #686868 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257560
#257560
oklch(50.8% 0.084 172)
- #8A516B
#8A516B
oklch(50.9% 0.083 351.6)
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 #257560, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.031
- Deep Turquoise #017374 ΔE 0.035
- Bluegreen #017A79 ΔE 0.037
- Deep Aqua #08787F ΔE 0.047
- Teal #008080 ΔE 0.050
- Dark Aqua #05696B ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.057
- Jungle Green #048243 ΔE 0.068
Use #257560 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.