#59BCD0
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(74.4% 0.096 212.8), rgb(89, 188, 208).
Aa
Black text reads best on this color (9.52:1).
About this color
#59BCD0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.096 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.050 away. Black text reads best on it, at 9.52:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.52:1 |
| White text | 2.20:1 |
Values
| HEX | #59BCD0 |
| RGB | rgb(89, 188, 208) |
| HSL | hsl(190, 56%, 58%) |
| OKLCH | oklch(74.4% 0.096 212.8) |
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 #59BCD0 | 2.20:1 | Fails | Lc -47.9 | Large or bold text, headings |
| Black text on #59BCD0 | 9.52:1 | AAA | Lc 60.8 | Content text, not long reading |
| #59BCD0 text on white | 2.20:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #59BCD0 text on black | 9.52:1 | AAA | Lc -59.0 | Large or bold text, headings |
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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DDEDF1
oklch(93.5% 0.018 214.4)
-
Step 200
200
#C1DFE6
oklch(88.4% 0.033 213.4)
-
Step 300
300
#93CBD8
oklch(80.8% 0.06 213.7)
-
Step 400
400 (this color)
#59BCD0
oklch(74.4% 0.096 212.8)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#59BCD0 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) | #ADB6D1 | 0.089 |
| Deuteranopia (no green cones) | #9BA9D0 | 0.081 |
| Tritanopia (no blue cones) | #00C4C2 | 0.048 |
| Achromatopsia (no color) | #AFAFAF | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59BCD0
#59BCD0
oklch(74.4% 0.096 212.8)
- #E29585
#E29585
oklch(74.3% 0.097 32.3)
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 #59BCD0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.053
- Dark Turquoise #00CED1 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.061
- Topaz #13BBAF ΔE 0.063
- Light Cornflower Blue #98C1D9 ΔE 0.067
- Lightblue #7BC8F6 ΔE 0.069
- Light Grey Blue #9DBCD4 ΔE 0.069
Use #59BCD0 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.