#59C0CF
Closest named color: Dark Turquoise (#00CED1). oklch(75.3% 0.097 208.1), rgb(89, 192, 207).
Aa
Black text reads best on this color (9.86:1).
About this color
#59C0CF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.097 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.045 away. Black text reads best on it, at 9.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.86:1 |
| White text | 2.12:1 |
Values
| HEX | #59C0CF |
| RGB | rgb(89, 192, 207) |
| HSL | hsl(188, 55%, 58%) |
| OKLCH | oklch(75.3% 0.097 208.1) |
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 #59C0CF | 2.12:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #59C0CF | 9.86:1 | AAA | Lc 62.4 | Content text, not long reading |
| #59C0CF text on white | 2.12:1 | Fails | Lc 41.5 | Non-text elements, placeholder text |
| #59C0CF text on black | 9.86:1 | AAA | Lc -60.7 | Content text, not long reading |
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 400.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DDEDF0
oklch(93.5% 0.017 210.2)
-
Step 200
200
#C0E0E5
oklch(88.5% 0.034 208)
-
Step 300
300
#92CCD5
oklch(80.9% 0.061 208)
-
Step 400
400 (this color)
#59C0CF
oklch(75.3% 0.097 208.1)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#59C0CF 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) | #B1B9D0 | 0.093 |
| Deuteranopia (no green cones) | #9FACCF | 0.085 |
| Tritanopia (no blue cones) | #00C8C4 | 0.045 |
| Achromatopsia (no color) | #B2B2B2 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59C0CF
#59C0CF
oklch(75.3% 0.097 208.1)
- #E6978C
#E6978C
oklch(75.3% 0.097 28.3)
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 #59C0CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.045
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.061
- Topaz #13BBAF ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.065
- Aqua Blue #02D8E9 ΔE 0.066
- Lightblue #7BC8F6 ΔE 0.067
Use #59C0CF 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.