#57B7E7#57B7E7

#57B7E7 is a light, moderate cyan. Relative luminance 0.417; OKLCH L 74.1% C 0.114 H 233.0°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#57B7E7
RGB	rgb(87, 183, 231)
HSL	hsl(200, 75%, 62%)
HSV	hsv(200, 62%, 91%)
CMYK	cmyk(62.3%, 20.8%, 0%, 9.4%)
CIE-LAB	lab(70.64, -14.09, -32.42)
CIE-LCH	lch(70.64, 35.35, 246.52°)
OKLab	oklab(74.08% -0.0685 -0.0907)
OKLCH	oklch(74.08% 0.114 233)
XYZ	xyz(35.2822, 41.6592, 81.7674)
Luminance	0.4166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7E7 #E78757

analogous

#57E7CF #57B7E7 #576FE7

triadic

#57B7E7 #E757B7 #B7E757

tetradic

#57B7E7 #CF57E7 #E78757 #6FE757

square

#57B7E7 #CF57E7 #E78757 #6FE757

split-complementary

#57B7E7 #E7576F #E7CF57

monochromatic

#187AAB #21A0DF #57B7E7 #8DCEEF #C2E5F6

Accessibility & contrast

On white

2.25

#57B7E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#57B7E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7E7

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7E7	#FFFFFF	#000000	##000000
##57B7E7	1.00	2.25	9.33	9.33
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.33	21.00	1.00	1.00
##000000	9.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B5E9

Deuteranopia (green-blind)

#8CA6E6

Tritanopia (blue-blind)

#00C4C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b7e7;
/* rgb */ color: rgb(87, 183, 231);
/* oklch */ color: oklch(74.1% 0.114 233.0);

Tailwind

colors: {
  custom: {
    50: '#93ccee',
    500: '#57b7e7',
    950: '#000000',
  },
}

SCSS

$custom: #57b7e7;
$custom-light: #93ccee;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7e7",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 231
  },
  "hsl": {
    "h": 200,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.7408,
    "c": 0.11367,
    "h": 233
  },
  "luminance": 0.41663
}

Semantic roles & 50–950 ramp

primary

#57B7E7

secondary

#E7C4B3

accent

#510ED7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B7E7

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

Preview Lab → · Contrast checker → · Palette generator →