#57ABB8
Closest named color: Turquoise Blue (#06B1C4). oklch(69.4% 0.083 208.7), rgb(87, 171, 184).
Aa
Black text reads best on this color (7.92:1).
About this color
#57ABB8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.083 and its hue 209°. 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 7.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #57ABB8 |
| RGB | rgb(87, 171, 184) |
| HSL | hsl(188, 41%, 53%) |
| OKLCH | oklch(69.4% 0.083 208.7) |
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 #57ABB8 | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #57ABB8 | 7.92:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #57ABB8 text on white | 2.65:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #57ABB8 text on black | 7.92:1 | AAA | Lc -50.5 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#9ACBD3
oklch(81% 0.052 208.6)
-
Step 400
400 (this color)
#57ABB8
oklch(69.4% 0.083 208.7)
-
Step 500
500
#0E9BAC
oklch(63.2% 0.107 208.7)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#032C32
oklch(26.9% 0.044 209.6)
#57ABB8 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) | #9FA5B9 | 0.081 |
| Deuteranopia (no green cones) | #8F9AB8 | 0.073 |
| Tritanopia (no blue cones) | #09B1AF | 0.043 |
| Achromatopsia (no color) | #9F9F9F | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57ABB8
#57ABB8
oklch(69.4% 0.083 208.7)
- #CB897F
#CB897F
oklch(69.4% 0.083 28.9)
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 #57ABB8, 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 0.038
- Cadet Blue #5F9EA0 ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.056
- Topaz #13BBAF ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.060
Use #57ABB8 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.