#57B1F2#57B1F2

#57B1F2 is a light, vivid cyan. Relative luminance 0.399; OKLCH L 73.2% C 0.128 H 242.7°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#57B1F2
RGB	rgb(87, 177, 242)
HSL	hsl(205, 86%, 65%)
HSV	hsv(205, 64%, 95%)
CMYK	cmyk(64%, 26.9%, 0%, 5.1%)
CIE-LAB	lab(69.38, -7.36, -40.35)
CIE-LCH	lch(69.38, 41.02, 259.66°)
OKLab	oklab(73.23% -0.0587 -0.1136)
OKLCH	oklch(73.23% 0.128 242.7)
XYZ	xyz(35.6736, 39.8777, 89.8043)
Luminance	0.3988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57B1F2 #F29857

analogous

#57F2E5 #57B1F2 #5764F2

triadic

#57B1F2 #F257B1 #B1F257

tetradic

#57B1F2 #E557F2 #F29857 #64F257

square

#57B1F2 #E557F2 #F29857 #64F257

split-complementary

#57B1F2 #F25764 #F2E557

monochromatic

#0F76C0 #1E97EE #57B1F2 #90CBF6 #C9E6FB

Accessibility & contrast

On white

2.34

#57B1F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#57B1F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57B1F2

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57B1F2	#FFFFFF	#000000	##000000
##57B1F2	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B2F5

Deuteranopia (green-blind)

#7FA3F1

Tritanopia (blue-blind)

#00C1C7

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #57b1f2;
/* rgb */ color: rgb(87, 177, 242);
/* oklch */ color: oklch(73.2% 0.128 242.7);

Tailwind

colors: {
  custom: {
    50: '#95c8f6',
    500: '#57b1f2',
    950: '#000000',
  },
}

SCSS

$custom: #57b1f2;
$custom-light: #95c8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#57b1f2",
  "rgb": {
    "r": 87,
    "g": 177,
    "b": 242
  },
  "hsl": {
    "h": 205.161,
    "s": 85.635,
    "l": 64.51
  },
  "oklch": {
    "l": 0.73234,
    "c": 0.12792,
    "h": 242.7
  },
  "luminance": 0.39881
}

Semantic roles & 50–950 ramp

primary

#57B1F2

secondary

#EDCEB8

accent

#6103E2

background

#F9FCFF

surface

#F2F8FE

border

#CCD1D6

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #57B1F2

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

Preview Lab → · Contrast checker → · Palette generator →