#57BBE7#57BBE7

#57BBE7 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 75.0% C 0.112 H 229.7°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#57BBE7
RGB	rgb(87, 187, 231)
HSL	hsl(198, 75%, 62%)
HSV	hsv(198, 62%, 91%)
CMYK	cmyk(62.3%, 19%, 0%, 9.4%)
CIE-LAB	lab(71.78, -16.20, -30.65)
CIE-LCH	lch(71.78, 34.67, 242.14°)
OKLab	oklab(74.99% -0.0726 -0.0857)
OKLCH	oklch(74.99% 0.112 229.7)
XYZ	xyz(36.1190, 43.3327, 82.0464)
Luminance	0.4334 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBE7 #E78357

analogous

#57E7CB #57BBE7 #5773E7

triadic

#57BBE7 #E757BB #BBE757

tetradic

#57BBE7 #CB57E7 #E78357 #73E757

square

#57BBE7 #CB57E7 #E78357 #73E757

split-complementary

#57BBE7 #E75773 #E7CB57

monochromatic

#187EAB #21A5DF #57BBE7 #8DD1EF #C2E6F6

Accessibility & contrast

On white

2.17

#57BBE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#57BBE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBE7

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBE7	#FFFFFF	#000000	##000000
##57BBE7	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B8E9

Deuteranopia (green-blind)

#90A9E6

Tritanopia (blue-blind)

#00C7C9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbe7;
/* rgb */ color: rgb(87, 187, 231);
/* oklch */ color: oklch(75.0% 0.112 229.7);

Tailwind

colors: {
  custom: {
    50: '#94cfee',
    500: '#57bbe7',
    950: '#000000',
  },
}

SCSS

$custom: #57bbe7;
$custom-light: #94cfee;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbe7",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 231
  },
  "hsl": {
    "h": 198.333,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.74992,
    "c": 0.11229,
    "h": 229.7
  },
  "luminance": 0.43336
}

Semantic roles & 50–950 ramp

primary

#57BBE7

secondary

#E7C3B3

accent

#4C0ED7

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBE7

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

Preview Lab → · Contrast checker → · Palette generator →