#57B4E4#57B4E4

#57B4E4 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 73.3% C 0.112 H 233.7°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#57B4E4
RGB	rgb(87, 180, 228)
HSL	hsl(200, 72%, 62%)
HSV	hsv(200, 62%, 89%)
CMYK	cmyk(61.8%, 21.1%, 0%, 10.6%)
CIE-LAB	lab(69.66, -13.42, -32.29)
CIE-LCH	lch(69.66, 34.97, 247.44°)
OKLab	oklab(73.26% -0.0664 -0.0904)
OKLCH	oklch(73.26% 0.112 233.7)
XYZ	xyz(34.2499, 40.2668, 79.3510)
Luminance	0.4027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B4E4 #E48757

analogous

#57E4CE #57B4E4 #576DE4

triadic

#57B4E4 #E457B4 #B4E457

tetradic

#57B4E4 #CE57E4 #E48757 #6DE457

square

#57B4E4 #CE57E4 #E48757 #6DE457

split-complementary

#57B4E4 #E4576D #E4CE57

monochromatic

#1B77A6 #239CDB #57B4E4 #8CCCEC #C0E3F5

Accessibility & contrast

On white

2.32

#57B4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.05

#57B4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B4E4

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B4E4	#FFFFFF	#000000	##000000
##57B4E4	1.00	2.32	9.05	9.05
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.05	21.00	1.00	1.00
##000000	9.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB2E6

Deuteranopia (green-blind)

#89A4E3

Tritanopia (blue-blind)

#00C1C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b4e4;
/* rgb */ color: rgb(87, 180, 228);
/* oklch */ color: oklch(73.3% 0.112 233.7);

Tailwind

colors: {
  custom: {
    50: '#93caec',
    500: '#57b4e4',
    950: '#000000',
  },
}

SCSS

$custom: #57b4e4;
$custom-light: #93caec;
$custom-dark: #000000;

JSON

{
  "hex": "#57b4e4",
  "rgb": {
    "r": 87,
    "g": 180,
    "b": 228
  },
  "hsl": {
    "h": 200.426,
    "s": 72.308,
    "l": 61.765
  },
  "oklch": {
    "l": 0.73264,
    "c": 0.11216,
    "h": 233.7
  },
  "luminance": 0.4027
}

Semantic roles & 50–950 ramp

primary

#57B4E4

secondary

#E6C3B1

accent

#5411D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B4E4

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

Preview Lab → · Contrast checker → · Palette generator →