#57B7F6#57B7F6

#57B7F6 is a light, vivid cyan. Relative luminance 0.425; OKLCH L 74.8% C 0.128 H 240.3°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#57B7F6
RGB	rgb(87, 183, 246)
HSL	hsl(204, 90%, 65%)
HSV	hsv(204, 65%, 96%)
CMYK	cmyk(64.6%, 25.6%, 0%, 3.5%)
CIE-LAB	lab(71.24, -9.36, -39.62)
CIE-LCH	lch(71.24, 40.71, 256.71°)
OKLab	oklab(74.76% -0.0635 -0.1115)
OKLCH	oklch(74.76% 0.128 240.3)
XYZ	xyz(37.4922, 42.5432, 93.4067)
Luminance	0.4255 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B7F6 #F69657

analogous

#57F6E6 #57B7F6 #5767F6

triadic

#57B7F6 #F657B7 #B7F657

tetradic

#57B7F6 #E657F6 #F69657 #67F657

square

#57B7F6 #E657F6 #F69657 #67F657

split-complementary

#57B7F6 #F65767 #F6E657

monochromatic

#0B7DC8 #1D9EF3 #57B7F6 #91D0F9 #CBE9FC

Accessibility & contrast

On white

2.21

#57B7F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#57B7F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B7F6

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B7F6	#FFFFFF	#000000	##000000
##57B7F6	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB7F9

Deuteranopia (green-blind)

#84A7F5

Tritanopia (blue-blind)

#00C7CD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #57b7f6;
/* rgb */ color: rgb(87, 183, 246);
/* oklch */ color: oklch(74.8% 0.128 240.3);

Tailwind

colors: {
  custom: {
    50: '#95ccf9',
    500: '#57b7f6',
    950: '#000000',
  },
}

SCSS

$custom: #57b7f6;
$custom-light: #95ccf9;
$custom-dark: #000000;

JSON

{
  "hex": "#57b7f6",
  "rgb": {
    "r": 87,
    "g": 183,
    "b": 246
  },
  "hsl": {
    "h": 203.774,
    "s": 89.831,
    "l": 65.294
  },
  "oklch": {
    "l": 0.74763,
    "c": 0.12829,
    "h": 240.3
  },
  "luminance": 0.42547
}

Semantic roles & 50–950 ramp

primary

#57B7F6

secondary

#EFCFBA

accent

#5B00E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #57B7F6

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

Preview Lab → · Contrast checker → · Palette generator →