#57B4E0#57B4E0

#57B4E0 is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.109 H 231.4°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E0
RGB	rgb(87, 180, 224)
HSL	hsl(199, 69%, 61%)
HSV	hsv(199, 61%, 88%)
CMYK	cmyk(61.2%, 19.6%, 0%, 12.2%)
CIE-LAB	lab(69.50, -14.66, -30.35)
CIE-LCH	lch(69.50, 33.70, 244.23°)
OKLab	oklab(73.09% -0.0678 -0.0848)
OKLCH	oklch(73.09% 0.109 231.4)
XYZ	xyz(33.7011, 40.0472, 76.4604)
Luminance	0.4005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E0 #E08357

analogous

#57E0C7 #57B4E0 #576FE0

triadic

#57B4E0 #E057B4 #B4E057

tetradic

#57B4E0 #C757E0 #E08357 #6FE057

square

#57B4E0 #C757E0 #E08357 #6FE057

split-complementary

#57B4E0 #E0576F #E0C757

monochromatic

#1D769F #279CD3 #57B4E0 #8BCBEA #BEE2F3

Accessibility & contrast

On white

2.33

#57B4E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#57B4E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E0

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E0	#FFFFFF	#000000	##000000
##57B4E0	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB2E2

Deuteranopia (green-blind)

#8BA4DF

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b4e0;
/* rgb */ color: rgb(87, 180, 224);
/* oklch */ color: oklch(73.1% 0.109 231.4);

Tailwind

colors: {
  custom: {
    50: '#92cae9',
    500: '#57b4e0',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e0;
$custom-light: #92cae9;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e0",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 224
  },
  "hsl": {
    "h": 199.27,
    "s": 68.844,
    "l": 60.98
  },
  "oklch": {
    "l": 0.73088,
    "c": 0.10858,
    "h": 231.4
  },
  "luminance": 0.40051
}

Semantic roles & 50–950 ramp

primary

#57B4E0

secondary

#E3C0B0

accent

#5115D1

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E0

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

Preview Lab → · Contrast checker → · Palette generator →