#57A9ED#57A9ED

#57A9ED is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.2% C 0.128 H 246.0°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#57A9ED
RGB	rgb(87, 169, 237)
HSL	hsl(207, 81%, 64%)
HSV	hsv(207, 63%, 93%)
CMYK	cmyk(63.3%, 28.7%, 0%, 7.1%)
CIE-LAB	lab(66.91, -4.54, -41.49)
CIE-LCH	lch(66.91, 41.74, 263.75°)
OKLab	oklab(71.21% -0.0522 -0.117)
OKLCH	oklch(71.21% 0.128 246)
XYZ	xyz(33.3988, 36.5133, 85.3920)
Luminance	0.3652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A9ED #ED9B57

analogous

#57EDE6 #57A9ED #575EED

triadic

#57A9ED #ED57A9 #A9ED57

tetradic

#57A9ED #E657ED #ED9B57 #5EED57

square

#57A9ED #E657ED #ED9B57 #5EED57

split-complementary

#57A9ED #ED575E #EDE657

monochromatic

#146CB6 #208DE7 #57A9ED #8EC5F3 #C6E2F9

Accessibility & contrast

On white

2.53

#57A9ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#57A9ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A9ED

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A9ED	#FFFFFF	#000000	##000000
##57A9ED	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BABF0

Deuteranopia (green-blind)

#779CEC

Tritanopia (blue-blind)

#00B9C1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57a9ed;
/* rgb */ color: rgb(87, 169, 237);
/* oklch */ color: oklch(71.2% 0.128 246.0);

Tailwind

colors: {
  custom: {
    50: '#94c2f3',
    500: '#57a9ed',
    950: '#000000',
  },
}

SCSS

$custom: #57a9ed;
$custom-light: #94c2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#57a9ed",
  "rgb": {
    "r": 87,
    "g": 169,
    "b": 237
  },
  "hsl": {
    "h": 207.2,
    "s": 80.645,
    "l": 63.529
  },
  "oklch": {
    "l": 0.71211,
    "c": 0.12811,
    "h": 246
  },
  "luminance": 0.36517
}

Semantic roles & 50–950 ramp

primary

#57A9ED

secondary

#EACDB5

accent

#6909DD

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #57A9ED

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

Preview Lab → · Contrast checker → · Palette generator →