#57A0E4#57A0E4

#57A0E4 is a light, vivid cyan. Relative luminance 0.328; OKLCH L 68.8% C 0.125 H 248.6°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#57A0E4
RGB	rgb(87, 160, 228)
HSL	hsl(209, 72%, 62%)
HSV	hsv(209, 62%, 89%)
CMYK	cmyk(61.8%, 29.8%, 0%, 10.6%)
CIE-LAB	lab(63.97, -2.39, -41.15)
CIE-LCH	lch(63.97, 41.22, 266.67°)
OKLab	oklab(68.76% -0.0456 -0.1161)
OKLCH	oklch(68.76% 0.125 248.6)
XYZ	xyz(30.4997, 32.7664, 78.1010)
Luminance	0.3277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A0E4 #E49B57

analogous

#57E4E2 #57A0E4 #575AE4

triadic

#57A0E4 #E457A0 #A0E457

tetradic

#57A0E4 #E257E4 #E49B57 #5AE457

square

#57A0E4 #E257E4 #E49B57 #5AE457

split-complementary

#57A0E4 #E4575A #E4E257

monochromatic

#1B63A6 #2382DB #57A0E4 #8CBEEC #C0DCF5

Accessibility & contrast

On white

2.78

#57A0E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#57A0E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A0E4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A0E4	#FFFFFF	#000000	##000000
##57A0E4	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A3E7

Deuteranopia (green-blind)

#7095E3

Tritanopia (blue-blind)

#00B0B8

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #57a0e4;
/* rgb */ color: rgb(87, 160, 228);
/* oklch */ color: oklch(68.8% 0.125 248.6);

Tailwind

colors: {
  custom: {
    50: '#92bbed',
    500: '#57a0e4',
    950: '#000000',
  },
}

SCSS

$custom: #57a0e4;
$custom-light: #92bbed;
$custom-dark: #000000;

JSON

{
  "hex": "#57a0e4",
  "rgb": {
    "r": 87,
    "g": 160,
    "b": 228
  },
  "hsl": {
    "h": 208.936,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.68764,
    "c": 0.12472,
    "h": 248.6
  },
  "luminance": 0.32769
}

Semantic roles & 50–950 ramp

primary

#57A0E4

secondary

#E6CAB1

accent

#6F11D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #57A0E4

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

Preview Lab → · Contrast checker → · Palette generator →