#59CBCD
Closest named color: Medium Turquoise (#48D1CC). oklch(77.8% 0.103 196.8), rgb(89, 203, 205).
Aa
Black text reads best on this color (10.84:1).
About this color
#59CBCD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.103 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.019 away. Black text reads best on it, at 10.84:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.84:1 |
| White text | 1.93:1 |
Values
| HEX | #59CBCD |
| RGB | rgb(89, 203, 205) |
| HSL | hsl(181, 54%, 58%) |
| OKLCH | oklch(77.8% 0.103 196.8) |
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 #59CBCD | 1.93:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #59CBCD | 10.84:1 | AAA | Lc 67.0 | Content text, not long reading |
| #59CBCD text on white | 1.93:1 | Fails | Lc 36.9 | Non-text elements, placeholder text |
| #59CBCD text on black | 10.84:1 | AAA | Lc -65.6 | 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 300.
-
Step 50
50
#ECF9F8
oklch(97.2% 0.014 191.4)
-
Step 100
100
#D4F0F1
oklch(93.5% 0.029 199.3)
-
Step 200
200
#ADE5E6
oklch(88.4% 0.057 197.5)
-
Step 300
300 (this color)
#59CBCD
oklch(77.8% 0.103 196.8)
-
Step 400
400
#00B7BA
oklch(70.7% 0.12 196.9)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#59CBCD 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) | #BFC2CD | 0.107 |
| Deuteranopia (no green cones) | #ACB4CE | 0.100 |
| Tritanopia (no blue cones) | #00D1CB | 0.033 |
| Achromatopsia (no color) | #BABABA | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59CBCD
#59CBCD
oklch(77.8% 0.103 196.8)
- #F19B9F
#F19B9F
oklch(77.7% 0.103 16.7)
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 #59CBCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.019
- Dark Turquoise #00CED1 ΔE 0.029
- Aqua Blue #02D8E9 ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.047
- Pale Teal #82CBB2 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.052
- Vivid Sky Blue #4CC9F0 ΔE 0.053
- Turquoise #40E0D0 ΔE 0.058
Use #59CBCD 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.