#57A8B7
Closest named color: Greyblue (#77A1B5). oklch(68.6% 0.082 211.1), rgb(87, 168, 183).
Aa
Black text reads best on this color (7.69:1).
About this color
#57A8B7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.082 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.035 away. Black text reads best on it, at 7.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.69:1 |
| White text | 2.73:1 |
Values
| HEX | #57A8B7 |
| RGB | rgb(87, 168, 183) |
| HSL | hsl(189, 40%, 53%) |
| OKLCH | oklch(68.6% 0.082 211.1) |
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 #57A8B7 | 2.73:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #57A8B7 | 7.69:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #57A8B7 text on white | 2.73:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #57A8B7 text on black | 7.69:1 | AAA | Lc -49.2 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C5DFE4
oklch(88.6% 0.028 210.5)
-
Step 300
300
#9BCAD3
oklch(80.9% 0.051 210.6)
-
Step 400
400 (this color)
#57A8B7
oklch(68.6% 0.082 211.1)
-
Step 500
500
#1A9AAD
oklch(63.1% 0.105 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#052C32
oklch(27% 0.043 210.1)
#57A8B7 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) | #9BA3B8 | 0.076 |
| Deuteranopia (no green cones) | #8C98B7 | 0.069 |
| Tritanopia (no blue cones) | #0FAFAC | 0.046 |
| Achromatopsia (no color) | #9C9C9C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57A8B7
#57A8B7
oklch(68.6% 0.082 211.1)
- #C8877B
#C8877B
oklch(68.6% 0.083 30.8)
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 #57A8B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.037
- Turquoise Blue #06B1C4 ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.054
- Dull Teal #5F9E8F ΔE 0.057
- Topaz #13BBAF ΔE 0.065
Use #57A8B7 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.