#57CACE
Closest named color: Medium Turquoise (#48D1CC). oklch(77.5% 0.103 198.4), rgb(87, 202, 206).
Aa
Black text reads best on this color (10.74:1).
About this color
#57CACE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.103 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.022 away. Black text reads best on it, at 10.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.74:1 |
| White text | 1.95:1 |
Values
| HEX | #57CACE |
| RGB | rgb(87, 202, 206) |
| HSL | hsl(182, 55%, 57%) |
| OKLCH | oklch(77.5% 0.103 198.4) |
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 #57CACE | 1.95:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #57CACE | 10.74:1 | AAA | Lc 66.6 | Content text, not long reading |
| #57CACE text on white | 1.95:1 | Fails | Lc 37.3 | Non-text elements, placeholder text |
| #57CACE text on black | 10.74:1 | AAA | Lc -65.1 | Content text, not long reading |
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 300.
-
Step 50
50
#EBF8F9
oklch(97% 0.014 202.5)
-
Step 100
100
#D4F0F1
oklch(93.5% 0.029 199.3)
-
Step 200
200
#ADE5E7
oklch(88.4% 0.057 198.9)
-
Step 300
300 (this color)
#57CACE
oklch(77.5% 0.103 198.4)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#57CACE 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) | #BDC2CE | 0.106 |
| Deuteranopia (no green cones) | #AAB3CF | 0.100 |
| Tritanopia (no blue cones) | #00D0CB | 0.033 |
| Achromatopsia (no color) | #B9B9B9 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57CACE
#57CACE
oklch(77.5% 0.103 198.4)
- #F19B9C
#F19B9C
oklch(77.6% 0.103 18.9)
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 #57CACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.022
- Dark Turquoise #00CED1 ΔE 0.029
- Aqua Blue #02D8E9 ΔE 0.047
- Vivid Sky Blue #4CC9F0 ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.055
- Turquoise #40E0D0 ΔE 0.061
Use #57CACE 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.