#57B4E3#57B4E3

#57B4E3 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.2% C 0.111 H 233.1°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E3
RGB	rgb(87, 180, 227)
HSL	hsl(200, 71%, 62%)
HSV	hsv(200, 62%, 89%)
CMYK	cmyk(61.7%, 20.7%, 0%, 11%)
CIE-LAB	lab(69.62, -13.73, -31.81)
CIE-LCH	lch(69.62, 34.64, 246.66°)
OKLab	oklab(73.22% -0.0667 -0.089)
OKLCH	oklch(73.22% 0.111 233.1)
XYZ	xyz(34.1115, 40.2114, 78.6220)
Luminance	0.4022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E3 #E38657

analogous

#57E3CC #57B4E3 #576EE3

triadic

#57B4E3 #E357B4 #B4E357

tetradic

#57B4E3 #CC57E3 #E38657 #6EE357

square

#57B4E3 #CC57E3 #E38657 #6EE357

split-complementary

#57B4E3 #E3576E #E3CC57

monochromatic

#1B76A4 #249CD9 #57B4E3 #8BCBEC #C0E3F4

Accessibility & contrast

On white

2.32

#57B4E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#57B4E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E3

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E3	#FFFFFF	#000000	##000000
##57B4E3	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E5

Deuteranopia (green-blind)

#8AA4E2

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b4e3;
/* rgb */ color: rgb(87, 180, 227);
/* oklch */ color: oklch(73.2% 0.111 233.1);

Tailwind

colors: {
  custom: {
    50: '#93caec',
    500: '#57b4e3',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e3;
$custom-light: #93caec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e3",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 200.143,
    "s": 71.429,
    "l": 61.569
  },
  "oklch": {
    "l": 0.7322,
    "c": 0.11125,
    "h": 233.1
  },
  "luminance": 0.40215
}

Semantic roles & 50–950 ramp

primary

#57B4E3

secondary

#E5C2B1

accent

#5312D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E3

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

Preview Lab → · Contrast checker → · Palette generator →