#57B4E6#57B4E6

#57B4E6 is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.4% C 0.114 H 234.8°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E6
RGB	rgb(87, 180, 230)
HSL	hsl(201, 74%, 62%)
HSV	hsv(201, 62%, 90%)
CMYK	cmyk(62.2%, 21.7%, 0%, 9.8%)
CIE-LAB	lab(69.74, -12.79, -33.26)
CIE-LCH	lch(69.74, 35.64, 248.96°)
OKLab	oklab(73.35% -0.0657 -0.0932)
OKLCH	oklch(73.35% 0.114 234.8)
XYZ	xyz(34.5292, 40.3785, 80.8217)
Luminance	0.4038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E6 #E68957

analogous

#57E6D0 #57B4E6 #576DE6

triadic

#57B4E6 #E657B4 #B4E657

tetradic

#57B4E6 #D057E6 #E68957 #6DE657

square

#57B4E6 #D057E6 #E68957 #6DE657

split-complementary

#57B4E6 #E6576D #E6D057

monochromatic

#1977A9 #229CDE #57B4E6 #8CCCEE #C2E4F6

Accessibility & contrast

On white

2.31

#57B4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#57B4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E6

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E6	#FFFFFF	#000000	##000000
##57B4E6	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB3E8

Deuteranopia (green-blind)

#88A4E5

Tritanopia (blue-blind)

#00C1C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b4e6;
/* rgb */ color: rgb(87, 180, 230);
/* oklch */ color: oklch(73.4% 0.114 234.8);

Tailwind

colors: {
  custom: {
    50: '#93caee',
    500: '#57b4e6',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e6;
$custom-light: #93caee;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e6",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 230
  },
  "hsl": {
    "h": 200.979,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.73353,
    "c": 0.11401,
    "h": 234.8
  },
  "luminance": 0.40382
}

Semantic roles & 50–950 ramp

primary

#57B4E6

secondary

#E7C5B2

accent

#550FD6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E6

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

Preview Lab → · Contrast checker → · Palette generator →