#57AACC#57AACC

#57AACC is a light, moderate cyan. Relative luminance 0.351; OKLCH L 69.9% C 0.095 H 227.2°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#57AACC
RGB	rgb(87, 170, 204)
HSL	hsl(197, 53%, 57%)
HSV	hsv(197, 57%, 80%)
CMYK	cmyk(57.4%, 16.7%, 0%, 20%)
CIE-LAB	lab(65.85, -15.43, -24.96)
CIE-LCH	lch(65.85, 29.35, 238.28°)
OKLab	oklab(69.93% -0.0643 -0.0695)
OKLCH	oklch(69.93% 0.095 227.2)
XYZ	xyz(29.2001, 35.1326, 62.3575)
Luminance	0.3513 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57AACC #CC7957

analogous

#57CCB4 #57AACC #5770CC

triadic

#57AACC #CC57AA #AACC57

tetradic

#57AACC #B457CC #CC7957 #70CC57

square

#57AACC #B457CC #CC7957 #70CC57

split-complementary

#57AACC #CC5770 #CCB457

monochromatic

#276781 #368DB0 #57AACC #86C2DA #B5DAE9

Accessibility & contrast

On white

2.62

#57AACC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#57AACC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57AACC

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57AACC	#FFFFFF	#000000	##000000
##57AACC	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A7CE

Deuteranopia (green-blind)

#879BCC

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #57aacc;
/* rgb */ color: rgb(87, 170, 204);
/* oklch */ color: oklch(69.9% 0.095 227.2);

Tailwind

colors: {
  custom: {
    50: '#90c3db',
    500: '#57aacc',
    950: '#000000',
  },
}

SCSS

$custom: #57aacc;
$custom-light: #90c3db;
$custom-dark: #000000;

JSON

{
  "hex": "#57aacc",
  "rgb": {
    "r": 87,
    "g": 170,
    "b": 204
  },
  "hsl": {
    "h": 197.436,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.69928,
    "c": 0.09466,
    "h": 227.2
  },
  "luminance": 0.35135
}

Semantic roles & 50–950 ramp

primary

#57AACC

secondary

#D7B5A8

accent

#754BDD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #57AACC

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

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