#59ABDB
Closest named color: Turquoise Blue (#06B1C4). oklch(70.9% 0.107 236.6), rgb(89, 171, 219).
Aa
Black text reads best on this color (8.27:1).
About this color
#59ABDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.107 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 8.27:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #59ABDB |
| RGB | rgb(89, 171, 219) |
| HSL | hsl(202, 64%, 60%) |
| OKLCH | oklch(70.9% 0.107 236.6) |
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 #59ABDB | 2.53:1 | Fails | Lc -54.6 | Large or bold text, headings |
| Black text on #59ABDB | 8.27:1 | AAA | Lc 54.5 | Large or bold text, headings |
| #59ABDB text on white | 2.53:1 | Fails | Lc 49.5 | Large or bold text, headings |
| #59ABDB text on black | 8.27:1 | AAA | Lc -52.4 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C3DDEF
oklch(88.4% 0.037 238.1)
-
Step 300
300
#98C8E6
oklch(80.9% 0.066 236.1)
-
Step 400
400 (this color)
#59ABDB
oklch(70.9% 0.107 236.6)
-
Step 500
500
#0594D0
oklch(63.1% 0.136 236.4)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#022A3E
oklch(27% 0.056 236.2)
#59ABDB 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) | #95AADD | 0.064 |
| Deuteranopia (no green cones) | #839DDA | 0.053 |
| Tritanopia (no blue cones) | #00B7BB | 0.077 |
| Achromatopsia (no color) | #A2A2A2 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59ABDB
#59ABDB
oklch(70.9% 0.107 236.6)
- #D48F5D
#D48F5D
oklch(70.9% 0.107 56)
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 #59ABDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.073
- Chefchaouen Blue #4895EF ΔE 0.077
- Vivid Sky Blue #4CC9F0 ΔE 0.080
Use #59ABDB 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.