#57B0FA#57B0FA

#57B0FA is a light, vivid cyan. Relative luminance 0.400; OKLCH L 73.4% C 0.138 H 246.3°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#57B0FA
RGB	rgb(87, 176, 250)
HSL	hsl(207, 94%, 66%)
HSV	hsv(207, 65%, 98%)
CMYK	cmyk(65.2%, 29.6%, 0%, 2%)
CIE-LAB	lab(69.45, -4.22, -44.58)
CIE-LCH	lch(69.45, 44.78, 264.59°)
OKLab	oklab(73.41% -0.0554 -0.1259)
OKLCH	oklch(73.41% 0.138 246.3)
XYZ	xyz(36.7047, 39.9753, 96.2056)
Luminance	0.3998 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0FA #FAA157

analogous

#57FAF2 #57B0FA #575EFA

triadic

#57B0FA #FA57B0 #B0FA57

tetradic

#57B0FA #F257FA #FAA157 #5EFA57

square

#57B0FA #F257FA #FAA157 #5EFA57

split-complementary

#57B0FA #FA575E #FAF257

monochromatic

#0675D0 #1C94F8 #57B0FA #92CCFC #CEE8FE

Accessibility & contrast

On white

2.33

#57B0FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#57B0FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0FA

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0FA	#FFFFFF	#000000	##000000
##57B0FA	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FB2FD

Deuteranopia (green-blind)

#79A3F9

Tritanopia (blue-blind)

#00C2CA

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #57b0fa;
/* rgb */ color: rgb(87, 176, 250);
/* oklch */ color: oklch(73.4% 0.138 246.3);

Tailwind

colors: {
  custom: {
    50: '#96c7fc',
    500: '#57b0fa',
    950: '#000000',
  },
}

SCSS

$custom: #57b0fa;
$custom-light: #96c7fc;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0fa",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 250
  },
  "hsl": {
    "h": 207.239,
    "s": 94.22,
    "l": 66.078
  },
  "oklch": {
    "l": 0.73405,
    "c": 0.13755,
    "h": 246.3
  },
  "luminance": 0.39979
}

Semantic roles & 50–950 ramp

primary

#57B0FA

secondary

#F1D4BC

accent

#6800E6

background

#F9FCFF

surface

#F2F8FF

border

#CCD1D7

text

#0F1317

muted

#7E8285

Preview Lab

Preview with #57B0FA

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

Preview Lab → · Contrast checker → · Palette generator →