#59A3BE
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.084 224), rgb(89, 163, 190).
Aa
Black text reads best on this color (7.40:1).
About this color
#59A3BE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.084 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.031 away. Black text reads best on it, at 7.40:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.40:1 |
| White text | 2.83:1 |
Values
| HEX | #59A3BE |
| RGB | rgb(89, 163, 190) |
| HSL | hsl(196, 44%, 55%) |
| OKLCH | oklch(67.8% 0.084 224) |
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 #59A3BE | 2.83:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #59A3BE | 7.40:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #59A3BE text on white | 2.83:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #59A3BE text on black | 7.40:1 | AAA | Lc -47.6 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE8
oklch(88.6% 0.029 224.7)
-
Step 300
300
#9DC9DA
oklch(81% 0.052 223.5)
-
Step 400
400 (this color)
#59A3BE
oklch(67.8% 0.084 224)
-
Step 500
500
#2997B9
oklch(63.1% 0.107 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#02495D
oklch(37.7% 0.07 224.1)
-
Step 950
950
#082B36
oklch(27% 0.044 223.1)
#59A3BE 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) | #94A0BF | 0.067 |
| Deuteranopia (no green cones) | #8595BE | 0.059 |
| Tritanopia (no blue cones) | #10ABAC | 0.056 |
| Achromatopsia (no color) | #999999 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A3BE
#59A3BE
oklch(67.8% 0.084 224)
- #C4876D
#C4876D
oklch(67.8% 0.084 43.9)
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 #59A3BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.043
- Turquoise Blue #06B1C4 ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.064
- Faded Blue #658CBB ΔE 0.064
Use #59A3BE 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.