#57A4DB#57A4DB

#57A4DB is a light, moderate cyan. Relative luminance 0.337; OKLCH L 69.2% C 0.111 H 241.9°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#57A4DB
RGB	rgb(87, 164, 219)
HSL	hsl(205, 65%, 60%)
HSV	hsv(205, 60%, 86%)
CMYK	cmyk(60.3%, 25.1%, 0%, 14.1%)
CIE-LAB	lab(64.71, -7.52, -35.02)
CIE-LCH	lch(64.71, 35.82, 257.87°)
OKLab	oklab(69.22% -0.0526 -0.0983)
OKLCH	oklch(69.22% 0.111 241.9)
XYZ	xyz(29.9873, 33.6888, 71.9264)
Luminance	0.3369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A4DB #DB8E57

analogous

#57DBD0 #57A4DB #5762DB

triadic

#57A4DB #DB57A4 #A4DB57

tetradic

#57A4DB #D057DB #DB8E57 #62DB57

square

#57A4DB #D057DB #DB8E57 #62DB57

split-complementary

#57A4DB #DB5762 #DBD057

monochromatic

#206697 #2B88CA #57A4DB #89BFE6 #BCDBF1

Accessibility & contrast

On white

2.71

#57A4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#57A4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4DB

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A4DB	#FFFFFF	#000000	##000000
##57A4DB	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA4DE

Deuteranopia (green-blind)

#7A97DA

Tritanopia (blue-blind)

#00B2B7

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #57a4db;
/* rgb */ color: rgb(87, 164, 219);
/* oklch */ color: oklch(69.2% 0.111 241.9);

Tailwind

colors: {
  custom: {
    50: '#91bee6',
    500: '#57a4db',
    950: '#000000',
  },
}

SCSS

$custom: #57a4db;
$custom-light: #91bee6;
$custom-dark: #000000;

JSON

{
  "hex": "#57a4db",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 219
  },
  "hsl": {
    "h": 205,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.69222,
    "c": 0.11149,
    "h": 241.9
  },
  "luminance": 0.33692
}

Semantic roles & 50–950 ramp

primary

#57A4DB

secondary

#E0C3AD

accent

#8640E8

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A4DB

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

Preview Lab → · Contrast checker → · Palette generator →