#57A4E8#57A4E8

#57A4E8 is a light, vivid cyan. Relative luminance 0.344; OKLCH L 69.9% C 0.126 H 247.4°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#57A4E8
RGB	rgb(87, 164, 232)
HSL	hsl(208, 76%, 63%)
HSV	hsv(208, 63%, 91%)
CMYK	cmyk(62.5%, 29.3%, 0%, 9%)
CIE-LAB	lab(65.28, -3.36, -41.30)
CIE-LCH	lch(65.28, 41.44, 265.36°)
OKLab	oklab(69.85% -0.0486 -0.1165)
OKLCH	oklch(69.85% 0.126 247.4)
XYZ	xyz(31.7660, 34.4003, 81.2941)
Luminance	0.3440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A4E8 #E89B57

analogous

#57E8E3 #57A4E8 #575BE8

triadic

#57A4E8 #E857A4 #A4E857

tetradic

#57A4E8 #E357E8 #E89B57 #5BE857

square

#57A4E8 #E357E8 #E89B57 #5BE857

split-complementary

#57A4E8 #E8575B #E8E357

monochromatic

#1867AD #2187E1 #57A4E8 #8DC1EF #C3DEF7

Accessibility & contrast

On white

2.66

#57A4E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#57A4E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4E8

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A4E8	#FFFFFF	#000000	##000000
##57A4E8	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A6EB

Deuteranopia (green-blind)

#7398E7

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a4e8;
/* rgb */ color: rgb(87, 164, 232);
/* oklch */ color: oklch(69.9% 0.126 247.4);

Tailwind

colors: {
  custom: {
    50: '#93beef',
    500: '#57a4e8',
    950: '#000000',
  },
}

SCSS

$custom: #57a4e8;
$custom-light: #93beef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a4e8",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 232
  },
  "hsl": {
    "h": 208.138,
    "s": 75.916,
    "l": 62.549
  },
  "oklch": {
    "l": 0.69853,
    "c": 0.12621,
    "h": 247.4
  },
  "luminance": 0.34403
}

Semantic roles & 50–950 ramp

primary

#57A4E8

secondary

#E8CCB3

accent

#6C0DD8

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A4E8

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

Preview Lab → · Contrast checker → · Palette generator →