#57B8DF#57B8DF

#57B8DF is a light, moderate cyan. Relative luminance 0.416; OKLCH L 74.0% C 0.107 H 227.3°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#57B8DF
RGB	rgb(87, 184, 223)
HSL	hsl(197, 68%, 61%)
HSV	hsv(197, 61%, 87%)
CMYK	cmyk(61%, 17.5%, 0%, 12.5%)
CIE-LAB	lab(70.62, -17.07, -28.09)
CIE-LCH	lch(70.62, 32.87, 238.71°)
OKLab	oklab(73.96% -0.0723 -0.0784)
OKLCH	oklch(73.96% 0.107 227.3)
XYZ	xyz(34.3850, 41.6315, 76.0213)
Luminance	0.4163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B8DF #DF7E57

analogous

#57DFC2 #57B8DF #5774DF

triadic

#57B8DF #DF57B8 #B8DF57

tetradic

#57B8DF #C257DF #DF7E57 #74DF57

square

#57B8DF #C257DF #DF7E57 #74DF57

split-complementary

#57B8DF #DF5774 #DFC257

monochromatic

#1E799E #28A0D1 #57B8DF #8ACEE9 #BEE3F3

Accessibility & contrast

On white

2.25

#57B8DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#57B8DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B8DF

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B8DF	#FFFFFF	#000000	##000000
##57B8DF	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)

#A3B5E1

Deuteranopia (green-blind)

#90A7DF

Tritanopia (blue-blind)

#00C3C5

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #57b8df;
/* rgb */ color: rgb(87, 184, 223);
/* oklch */ color: oklch(74.0% 0.107 227.3);

Tailwind

colors: {
  custom: {
    50: '#93cde9',
    500: '#57b8df',
    950: '#000000',
  },
}

SCSS

$custom: #57b8df;
$custom-light: #93cde9;
$custom-dark: #000000;

JSON

{
  "hex": "#57b8df",
  "rgb": {
    "r": 87,
    "g": 184,
    "b": 223
  },
  "hsl": {
    "h": 197.206,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.73963,
    "c": 0.10665,
    "h": 227.3
  },
  "luminance": 0.41635
}

Semantic roles & 50–950 ramp

primary

#57B8DF

secondary

#E3BEAF

accent

#4B16D0

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57B8DF

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

Preview Lab → · Contrast checker → · Palette generator →