#57ABBF
Closest named color: Turquoise Blue (#06B1C4). oklch(69.6% 0.086 215.3), rgb(87, 171, 191).
Aa
Black text reads best on this color (7.98:1).
About this color
#57ABBF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.086 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.035 away. Black text reads best on it, at 7.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.98:1 |
| White text | 2.63:1 |
Values
| HEX | #57ABBF |
| RGB | rgb(87, 171, 191) |
| HSL | hsl(192, 45%, 55%) |
| OKLCH | oklch(69.6% 0.086 215.3) |
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 #57ABBF | 2.63:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #57ABBF | 7.98:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #57ABBF text on white | 2.63:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #57ABBF text on black | 7.98:1 | AAA | Lc -50.8 | 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
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C4DFE6
oklch(88.6% 0.03 215.1)
-
Step 300
300
#99CAD7
oklch(80.9% 0.054 215.9)
-
Step 400
400 (this color)
#57ABBF
oklch(69.6% 0.086 215.3)
-
Step 500
500
#0A9AB3
oklch(63.2% 0.11 214.8)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D80
oklch(49.2% 0.087 215.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#004A58
oklch(37.7% 0.067 215.8)
-
Step 950
950
#032C34
oklch(27% 0.045 214.2)
#57ABBF 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) | #9DA6C0 | 0.078 |
| Deuteranopia (no green cones) | #8D9ABF | 0.071 |
| Tritanopia (no blue cones) | #00B3B1 | 0.050 |
| Achromatopsia (no color) | #A0A0A0 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57ABBF
#57ABBF
oklch(69.6% 0.086 215.3)
- #CD8A79
#CD8A79
oklch(69.7% 0.086 34.9)
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 #57ABBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.035
- Greyblue #77A1B5 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.049
- Light Sea Green #20B2AA ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.056
- Topaz #13BBAF ΔE 0.065
- Cool Steel #97A7B3 ΔE 0.068
Use #57ABBF 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.