#57B3E5#57B3E5

#57B3E5 is a light, moderate cyan. Relative luminance 0.399; OKLCH L 73.1% C 0.114 H 235.1°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#57B3E5
RGB	rgb(87, 179, 229)
HSL	hsl(201, 73%, 62%)
HSV	hsv(201, 62%, 90%)
CMYK	cmyk(62%, 21.8%, 0%, 10.2%)
CIE-LAB	lab(69.41, -12.57, -33.22)
CIE-LCH	lch(69.41, 35.52, 249.28°)
OKLab	oklab(73.08% -0.065 -0.0931)
OKLCH	oklch(73.08% 0.114 235.1)
XYZ	xyz(34.1880, 39.9202, 80.0172)
Luminance	0.3992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B3E5 #E58957

analogous

#57E5D0 #57B3E5 #576CE5

triadic

#57B3E5 #E557B3 #B3E557

tetradic

#57B3E5 #D057E5 #E58957 #6CE557

square

#57B3E5 #D057E5 #E58957 #6CE557

split-complementary

#57B3E5 #E5576C #E5D057

monochromatic

#1A76A8 #229BDD #57B3E5 #8CCBED #C1E3F5

Accessibility & contrast

On white

2.34

#57B3E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#57B3E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B3E5

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B3E5	#FFFFFF	#000000	##000000
##57B3E5	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB2E7

Deuteranopia (green-blind)

#88A3E4

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b3e5;
/* rgb */ color: rgb(87, 179, 229);
/* oklch */ color: oklch(73.1% 0.114 235.1);

Tailwind

colors: {
  custom: {
    50: '#93c9ed',
    500: '#57b3e5',
    950: '#000000',
  },
}

SCSS

$custom: #57b3e5;
$custom-light: #93c9ed;
$custom-dark: #000000;

JSON

{
  "hex": "#57b3e5",
  "rgb": {
    "r": 87,
    "g": 179,
    "b": 229
  },
  "hsl": {
    "h": 201.127,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.73081,
    "c": 0.11352,
    "h": 235.1
  },
  "luminance": 0.39924
}

Semantic roles & 50–950 ramp

primary

#57B3E5

secondary

#E6C4B2

accent

#5610D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B3E5

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

Preview Lab → · Contrast checker → · Palette generator →