#57B6DB#57B6DB

#57B6DB is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.3% C 0.104 H 226.4°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#57B6DB
RGB	rgb(87, 182, 219)
HSL	hsl(197, 65%, 60%)
HSV	hsv(197, 60%, 86%)
CMYK	cmyk(60.3%, 16.9%, 0%, 14.1%)
CIE-LAB	lab(69.89, -17.24, -27.02)
CIE-LCH	lch(69.89, 32.05, 237.46°)
OKLab	oklab(73.33% -0.0717 -0.0753)
OKLCH	oklch(73.33% 0.104 226.4)
XYZ	xyz(33.4396, 40.5933, 73.0771)
Luminance	0.4060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B6DB #DB7C57

analogous

#57DBBE #57B6DB #5774DB

triadic

#57B6DB #DB57B6 #B6DB57

tetradic

#57B6DB #BE57DB #DB7C57 #74DB57

square

#57B6DB #BE57DB #DB7C57 #74DB57

split-complementary

#57B6DB #DB5774 #DBBE57

monochromatic

#207697 #2B9DCA #57B6DB #89CCE6 #BCE2F1

Accessibility & contrast

On white

2.30

#57B6DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#57B6DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B6DB

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B6DB	#FFFFFF	#000000	##000000
##57B6DB	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B3DD

Deuteranopia (green-blind)

#8FA5DB

Tritanopia (blue-blind)

#00C1C2

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #57b6db;
/* rgb */ color: rgb(87, 182, 219);
/* oklch */ color: oklch(73.3% 0.104 226.4);

Tailwind

colors: {
  custom: {
    50: '#92cce6',
    500: '#57b6db',
    950: '#000000',
  },
}

SCSS

$custom: #57b6db;
$custom-light: #92cce6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b6db",
  "rgb": {
    "r": 87,
    "g": 182,
    "b": 219
  },
  "hsl": {
    "h": 196.818,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.73334,
    "c": 0.10399,
    "h": 226.4
  },
  "luminance": 0.40597
}

Semantic roles & 50–950 ramp

primary

#57B6DB

secondary

#E0BCAD

accent

#6F40E8

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B6DB

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

Preview Lab → · Contrast checker → · Palette generator →