#57AFC8
Closest named color: Turquoise Blue (#06B1C4). oklch(70.9% 0.092 218.9), rgb(87, 175, 200).
Aa
Black text reads best on this color (8.37:1).
About this color
#57AFC8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.092 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 8.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #57AFC8 |
| RGB | rgb(87, 175, 200) |
| HSL | hsl(193, 51%, 56%) |
| OKLCH | oklch(70.9% 0.092 218.9) |
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 #57AFC8 | 2.50:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #57AFC8 | 8.37:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #57AFC8 text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #57AFC8 text on black | 8.37:1 | AAA | Lc -52.9 | 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
#DEEDF1
oklch(93.6% 0.017 215.5)
-
Step 200
200
#C3DFE7
oklch(88.6% 0.032 216.8)
-
Step 300
300
#97CADA
oklch(80.9% 0.058 219.1)
-
Step 400
400 (this color)
#57AFC8
oklch(70.9% 0.092 218.9)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586B
oklch(42.5% 0.077 219.1)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#012C36
oklch(27.1% 0.048 217.8)
#57AFC8 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) | #9FABC9 | 0.078 |
| Deuteranopia (no green cones) | #8E9EC8 | 0.070 |
| Tritanopia (no blue cones) | #00B8B7 | 0.054 |
| Achromatopsia (no color) | #A3A3A3 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57AFC8
#57AFC8
oklch(70.9% 0.092 218.9)
- #D38D77
#D38D77
oklch(70.9% 0.092 38.2)
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 #57AFC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.054
- Light Sea Green #20B2AA ΔE 0.060
- Bluey Grey #89A0B0 ΔE 0.062
- Cadet Blue #5F9EA0 ΔE 0.064
- Topaz #13BBAF ΔE 0.067
- Cool Steel #97A7B3 ΔE 0.070
Use #57AFC8 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.