#57B7E5#57B7E5

#57B7E5 is a light, moderate cyan. Relative luminance 0.415; OKLCH L 74.0% C 0.112 H 231.8°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#57B7E5
RGB	rgb(87, 183, 229)
HSL	hsl(199, 73%, 62%)
HSV	hsv(199, 62%, 90%)
CMYK	cmyk(62%, 20.1%, 0%, 10.2%)
CIE-LAB	lab(70.56, -14.71, -31.45)
CIE-LCH	lch(70.56, 34.72, 244.94°)
OKLab	oklab(73.99% -0.0692 -0.088)
OKLCH	oklch(73.99% 0.112 231.8)
XYZ	xyz(35.0013, 41.5468, 80.2883)
Luminance	0.4155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7E5 #E58557

analogous

#57E5CC #57B7E5 #5770E5

triadic

#57B7E5 #E557B7 #B7E557

tetradic

#57B7E5 #CC57E5 #E58557 #70E557

square

#57B7E5 #CC57E5 #E58557 #70E557

split-complementary

#57B7E5 #E55770 #E5CC57

monochromatic

#1A7AA8 #22A0DD #57B7E5 #8CCEED #C1E4F5

Accessibility & contrast

On white

2.26

#57B7E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#57B7E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7E5

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7E5	#FFFFFF	#000000	##000000
##57B7E5	1.00	2.26	9.31	9.31
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B5E7

Deuteranopia (green-blind)

#8CA6E4

Tritanopia (blue-blind)

#00C4C6

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b7e5;
/* rgb */ color: rgb(87, 183, 229);
/* oklch */ color: oklch(74.0% 0.112 231.8);

Tailwind

colors: {
  custom: {
    50: '#93cced',
    500: '#57b7e5',
    950: '#000000',
  },
}

SCSS

$custom: #57b7e5;
$custom-light: #93cced;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7e5",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 229
  },
  "hsl": {
    "h": 199.437,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.73992,
    "c": 0.1119,
    "h": 231.8
  },
  "luminance": 0.4155
}

Semantic roles & 50–950 ramp

primary

#57B7E5

secondary

#E6C3B2

accent

#5010D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7E5

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

Preview Lab → · Contrast checker → · Palette generator →