#59AFB7
Closest named color: Turquoise Blue (#06B1C4). oklch(70.4% 0.084 203.5), rgb(89, 175, 183).
Aa
Black text reads best on this color (8.24:1).
About this color
#59AFB7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.084 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.037 away. Black text reads best on it, at 8.24:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #59AFB7 |
| RGB | rgb(89, 175, 183) |
| HSL | hsl(185, 39%, 53%) |
| OKLCH | oklch(70.4% 0.084 203.5) |
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 #59AFB7 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #59AFB7 | 8.24:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #59AFB7 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #59AFB7 text on black | 8.24:1 | AAA | Lc -52.2 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C4DFE2
oklch(88.5% 0.029 204.8)
-
Step 300
300
#99CBD0
oklch(80.9% 0.052 203.8)
-
Step 400
400 (this color)
#59AFB7
oklch(70.4% 0.084 203.5)
-
Step 500
500
#049CA6
oklch(63.1% 0.107 202.9)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#022D30
oklch(27.1% 0.045 202)
#59AFB7 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) | #A4A9B8 | 0.084 |
| Deuteranopia (no green cones) | #949DB7 | 0.077 |
| Tritanopia (no blue cones) | #16B5B1 | 0.039 |
| Achromatopsia (no color) | #A2A2A2 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59AFB7
#59AFB7
oklch(70.4% 0.084 203.5)
- #CF8B87
#CF8B87
oklch(70.4% 0.084 23.1)
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 #59AFB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.041
- Greyblue #77A1B5 ΔE 0.046
- Topaz #13BBAF ΔE 0.050
- Cadet Blue #5F9EA0 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.059
- Greeny Blue #42B395 ΔE 0.060
Use #59AFB7 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.