#57A3E7#57A3E7

#57A3E7 is a light, vivid cyan. Relative luminance 0.340; OKLCH L 69.6% C 0.126 H 247.7°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#57A3E7
RGB	rgb(87, 163, 231)
HSL	hsl(208, 75%, 62%)
HSV	hsv(208, 62%, 91%)
CMYK	cmyk(62.3%, 29.4%, 0%, 9.4%)
CIE-LAB	lab(64.95, -3.12, -41.26)
CIE-LCH	lch(64.95, 41.38, 265.68°)
OKLab	oklab(69.58% -0.0478 -0.1164)
OKLCH	oklch(69.58% 0.126 247.7)
XYZ	xyz(31.4461, 33.9871, 80.4888)
Luminance	0.3399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A3E7 #E79B57

analogous

#57E7E3 #57A3E7 #575BE7

triadic

#57A3E7 #E757A3 #A3E757

tetradic

#57A3E7 #E357E7 #E79B57 #5BE757

square

#57A3E7 #E357E7 #E79B57 #5BE757

split-complementary

#57A3E7 #E7575B #E7E357

monochromatic

#1866AB #2186DF #57A3E7 #8DC0EF #C2DEF6

Accessibility & contrast

On white

2.69

#57A3E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#57A3E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A3E7

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A3E7	#FFFFFF	#000000	##000000
##57A3E7	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85A5EA

Deuteranopia (green-blind)

#7297E6

Tritanopia (blue-blind)

#00B3BB

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a3e7;
/* rgb */ color: rgb(87, 163, 231);
/* oklch */ color: oklch(69.6% 0.126 247.7);

Tailwind

colors: {
  custom: {
    50: '#93beef',
    500: '#57a3e7',
    950: '#000000',
  },
}

SCSS

$custom: #57a3e7;
$custom-light: #93beef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a3e7",
  "rgb": {
    "r": 87,
    "g": 163,
    "b": 231
  },
  "hsl": {
    "h": 208.333,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69581,
    "c": 0.12584,
    "h": 247.7
  },
  "luminance": 0.3399
}

Semantic roles & 50–950 ramp

primary

#57A3E7

secondary

#E7CBB3

accent

#6D0ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A3E7

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

Preview Lab → · Contrast checker → · Palette generator →