#57BBE6#57BBE6

#57BBE6 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.9% C 0.111 H 229.1°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#57BBE6
RGB	rgb(87, 187, 230)
HSL	hsl(198, 74%, 62%)
HSV	hsv(198, 62%, 90%)
CMYK	cmyk(62.2%, 18.7%, 0%, 9.8%)
CIE-LAB	lab(71.74, -16.51, -30.17)
CIE-LCH	lch(71.74, 34.39, 241.31°)
OKLab	oklab(74.95% -0.0729 -0.0843)
OKLCH	oklch(74.95% 0.111 229.1)
XYZ	xyz(35.9781, 43.2764, 81.3047)
Luminance	0.4328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBE6 #E68257

analogous

#57E6CA #57BBE6 #5774E6

triadic

#57BBE6 #E657BB #BBE657

tetradic

#57BBE6 #CA57E6 #E68257 #74E657

square

#57BBE6 #CA57E6 #E68257 #74E657

split-complementary

#57BBE6 #E65774 #E6CA57

monochromatic

#197EA9 #22A5DE #57BBE6 #8CD1EE #C2E6F6

Accessibility & contrast

On white

2.17

#57BBE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#57BBE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBE6

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBE6	#FFFFFF	#000000	##000000
##57BBE6	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E8

Deuteranopia (green-blind)

#91A9E5

Tritanopia (blue-blind)

#00C7C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbe6;
/* rgb */ color: rgb(87, 187, 230);
/* oklch */ color: oklch(74.9% 0.111 229.1);

Tailwind

colors: {
  custom: {
    50: '#93cfee',
    500: '#57bbe6',
    950: '#000000',
  },
}

SCSS

$custom: #57bbe6;
$custom-light: #93cfee;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbe6",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 230
  },
  "hsl": {
    "h": 198.042,
    "s": 74.093,
    "l": 62.157
  },
  "oklch": {
    "l": 0.74949,
    "c": 0.11147,
    "h": 229.1
  },
  "luminance": 0.4328
}

Semantic roles & 50–950 ramp

primary

#57BBE6

secondary

#E7C2B2

accent

#4B0FD6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBE6

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

Preview Lab → · Contrast checker → · Palette generator →