#57B4E5#57B4E5

#57B4E5 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.3% C 0.113 H 234.3°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E5
RGB	rgb(87, 180, 229)
HSL	hsl(201, 73%, 62%)
HSV	hsv(201, 62%, 90%)
CMYK	cmyk(62%, 21.4%, 0%, 10.2%)
CIE-LAB	lab(69.70, -13.11, -32.78)
CIE-LCH	lch(69.70, 35.30, 248.21°)
OKLab	oklab(73.31% -0.066 -0.0918)
OKLCH	oklch(73.31% 0.113 234.3)
XYZ	xyz(34.3891, 40.3225, 80.0842)
Luminance	0.4033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E5 #E58857

analogous

#57E5CF #57B4E5 #576DE5

triadic

#57B4E5 #E557B4 #B4E557

tetradic

#57B4E5 #CF57E5 #E58857 #6DE557

square

#57B4E5 #CF57E5 #E58857 #6DE557

split-complementary

#57B4E5 #E5576D #E5CF57

monochromatic

#1A77A8 #229CDD #57B4E5 #8CCCED #C1E3F5

Accessibility & contrast

On white

2.32

#57B4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#57B4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E5

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E5	#FFFFFF	#000000	##000000
##57B4E5	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB2E7

Deuteranopia (green-blind)

#89A4E4

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b4e5;
/* rgb */ color: rgb(87, 180, 229);
/* oklch */ color: oklch(73.3% 0.113 234.3);

Tailwind

colors: {
  custom: {
    50: '#93caed',
    500: '#57b4e5',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e5;
$custom-light: #93caed;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e5",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 229
  },
  "hsl": {
    "h": 200.704,
    "s": 73.196,
    "l": 61.961
  },
  "oklch": {
    "l": 0.73309,
    "c": 0.11308,
    "h": 234.3
  },
  "luminance": 0.40326
}

Semantic roles & 50–950 ramp

primary

#57B4E5

secondary

#E6C4B2

accent

#5410D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E5

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

Preview Lab → · Contrast checker → · Palette generator →