#57B1FA#57B1FA

#57B1FA is a light, vivid cyan. Relative luminance 0.404; OKLCH L 73.6% C 0.137 H 245.7°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#57B1FA
RGB	rgb(87, 177, 250)
HSL	hsl(207, 94%, 66%)
HSV	hsv(207, 65%, 98%)
CMYK	cmyk(65.2%, 29.2%, 0%, 2%)
CIE-LAB	lab(69.73, -4.77, -44.15)
CIE-LCH	lch(69.73, 44.40, 263.83°)
OKLab	oklab(73.63% -0.0563 -0.1246)
OKLCH	oklch(73.63% 0.137 245.7)
XYZ	xyz(36.9015, 40.3688, 96.2712)
Luminance	0.4037 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B1FA #FAA057

analogous

#57FAF1 #57B1FA #575FFA

triadic

#57B1FA #FA57B1 #B1FA57

tetradic

#57B1FA #F157FA #FAA057 #5FFA57

square

#57B1FA #F157FA #FAA057 #5FFA57

split-complementary

#57B1FA #FA575F #FAF157

monochromatic

#0676D0 #1C95F8 #57B1FA #92CDFC #CEE8FE

Accessibility & contrast

On white

2.31

#57B1FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#57B1FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1FA

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B1FA	#FFFFFF	#000000	##000000
##57B1FA	1.00	2.31	9.07	9.07
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91B3FD

Deuteranopia (green-blind)

#7AA3F9

Tritanopia (blue-blind)

#00C3CB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b1fa;
/* rgb */ color: rgb(87, 177, 250);
/* oklch */ color: oklch(73.6% 0.137 245.7);

Tailwind

colors: {
  custom: {
    50: '#96c8fc',
    500: '#57b1fa',
    950: '#000000',
  },
}

SCSS

$custom: #57b1fa;
$custom-light: #96c8fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b1fa",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 250
  },
  "hsl": {
    "h": 206.871,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.73625,
    "c": 0.13678,
    "h": 245.7
  },
  "luminance": 0.40373
}

Semantic roles & 50–950 ramp

primary

#57B1FA

secondary

#F1D4BC

accent

#6700E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #57B1FA

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

Preview Lab → · Contrast checker → · Palette generator →