#57B2E4#57B2E4

#57B2E4 is a light, moderate cyan. Relative luminance 0.395; OKLCH L 72.8% C 0.113 H 235.3°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#57B2E4
RGB	rgb(87, 178, 228)
HSL	hsl(201, 72%, 62%)
HSV	hsv(201, 62%, 89%)
CMYK	cmyk(61.8%, 21.9%, 0%, 10.6%)
CIE-LAB	lab(69.09, -12.34, -33.18)
CIE-LCH	lch(69.09, 35.40, 249.59°)
OKLab	oklab(72.81% -0.0643 -0.0929)
OKLCH	oklch(72.81% 0.113 235.3)
XYZ	xyz(33.8491, 39.4651, 79.2174)
Luminance	0.3947 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B2E4 #E48957

analogous

#57E4D0 #57B2E4 #576BE4

triadic

#57B2E4 #E457B2 #B2E457

tetradic

#57B2E4 #D057E4 #E48957 #6BE457

square

#57B2E4 #D057E4 #E48957 #6BE457

split-complementary

#57B2E4 #E4576B #E4D057

monochromatic

#1B75A6 #239ADB #57B2E4 #8CCAEC #C0E2F5

Accessibility & contrast

On white

2.36

#57B2E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#57B2E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B2E4

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B2E4	#FFFFFF	#000000	##000000
##57B2E4	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB1E6

Deuteranopia (green-blind)

#87A2E3

Tritanopia (blue-blind)

#00BFC3

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b2e4;
/* rgb */ color: rgb(87, 178, 228);
/* oklch */ color: oklch(72.8% 0.113 235.3);

Tailwind

colors: {
  custom: {
    50: '#93c9ec',
    500: '#57b2e4',
    950: '#000000',
  },
}

SCSS

$custom: #57b2e4;
$custom-light: #93c9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b2e4",
  "rgb": {
    "r": 87,
    "g": 178,
    "b": 228
  },
  "hsl": {
    "h": 201.277,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.72809,
    "c": 0.11303,
    "h": 235.3
  },
  "luminance": 0.39468
}

Semantic roles & 50–950 ramp

primary

#57B2E4

secondary

#E6C4B1

accent

#5611D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B2E4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →