#57B0F1#57B0F1

#57B0F1 is a light, vivid cyan. Relative luminance 0.394; OKLCH L 73.0% C 0.128 H 242.9°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#57B0F1
RGB	rgb(87, 176, 241)
HSL	hsl(205, 85%, 64%)
HSV	hsv(205, 64%, 95%)
CMYK	cmyk(63.9%, 27%, 0%, 5.5%)
CIE-LAB	lab(69.06, -7.13, -40.31)
CIE-LCH	lch(69.06, 40.94, 259.97°)
OKLab	oklab(72.96% -0.058 -0.1135)
OKLCH	oklch(72.96% 0.128 242.9)
XYZ	xyz(35.3270, 39.4242, 88.9499)
Luminance	0.3943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B0F1 #F19857

analogous

#57F1E5 #57B0F1 #5763F1

triadic

#57B0F1 #F157B0 #B0F157

tetradic

#57B0F1 #E557F1 #F19857 #63F157

square

#57B0F1 #E557F1 #F19857 #63F157

split-complementary

#57B0F1 #F15763 #F1E557

monochromatic

#1074BE #1F95EC #57B0F1 #8FCBF6 #C8E5FA

Accessibility & contrast

On white

2.36

#57B0F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#57B0F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B0F1

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B0F1	#FFFFFF	#000000	##000000
##57B0F1	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93B1F4

Deuteranopia (green-blind)

#7EA2F0

Tritanopia (blue-blind)

#00C0C7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b0f1;
/* rgb */ color: rgb(87, 176, 241);
/* oklch */ color: oklch(73.0% 0.128 242.9);

Tailwind

colors: {
  custom: {
    50: '#94c7f6',
    500: '#57b0f1',
    950: '#000000',
  },
}

SCSS

$custom: #57b0f1;
$custom-light: #94c7f6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b0f1",
  "rgb": {
    "r": 87,
    "g": 176,
    "b": 241
  },
  "hsl": {
    "h": 205.325,
    "s": 84.615,
    "l": 64.314
  },
  "oklch": {
    "l": 0.72963,
    "c": 0.12752,
    "h": 242.9
  },
  "luminance": 0.39428
}

Semantic roles & 50–950 ramp

primary

#57B0F1

secondary

#EDCEB7

accent

#6204E1

background

#F9FCFF

surface

#F2F8FE

border

#CCD1D6

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57B0F1

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

Preview Lab → · Contrast checker → · Palette generator →