#57A5F4#57A5F4

#57A5F4 is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.7% C 0.140 H 250.7°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#57A5F4
RGB	rgb(87, 165, 244)
HSL	hsl(210, 88%, 65%)
HSV	hsv(210, 64%, 96%)
CMYK	cmyk(64.3%, 32.4%, 0%, 4.3%)
CIE-LAB	lab(66.11, 0.00, -46.57)
CIE-LCH	lch(66.11, 46.57, 270.00°)
OKLab	oklab(70.69% -0.0462 -0.1318)
OKLCH	oklch(70.69% 0.14 250.7)
XYZ	xyz(33.7087, 35.4648, 90.6393)
Luminance	0.3547 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A5F4 #F4A657

analogous

#57F3F4 #57A5F4 #5857F4

triadic

#57A5F4 #F457A5 #A5F457

tetradic

#57A5F4 #F457F3 #F4A657 #57F458

square

#57A5F4 #F457F3 #F4A657 #57F458

split-complementary

#57A5F4 #F45857 #F3F457

monochromatic

#0D68C4 #1E86F0 #57A5F4 #90C4F8 #CAE3FC

Accessibility & contrast

On white

2.59

#57A5F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#57A5F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A5F4

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A5F4	#FFFFFF	#000000	##000000
##57A5F4	1.00	2.59	8.09	8.09
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A9F7

Deuteranopia (green-blind)

#6D9AF2

Tritanopia (blue-blind)

#00B7C1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #57a5f4;
/* rgb */ color: rgb(87, 165, 244);
/* oklch */ color: oklch(70.7% 0.140 250.7);

Tailwind

colors: {
  custom: {
    50: '#95bff8',
    500: '#57a5f4',
    950: '#000000',
  },
}

SCSS

$custom: #57a5f4;
$custom-light: #95bff8;
$custom-dark: #000000;

JSON

{
  "hex": "#57a5f4",
  "rgb": {
    "r": 87,
    "g": 165,
    "b": 244
  },
  "hsl": {
    "h": 210.191,
    "s": 87.709,
    "l": 64.902
  },
  "oklch": {
    "l": 0.70685,
    "c": 0.13967,
    "h": 250.7
  },
  "luminance": 0.35468
}

Semantic roles & 50–950 ramp

primary

#57A5F4

secondary

#EED4B9

accent

#7301E4

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A5F4

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

Preview Lab → · Contrast checker → · Palette generator →