#57A6DB#57A6DB

#57A6DB is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.7% C 0.110 H 240.3°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#57A6DB
RGB	rgb(87, 166, 219)
HSL	hsl(204, 65%, 60%)
HSV	hsv(204, 60%, 86%)
CMYK	cmyk(60.3%, 24.2%, 0%, 14.1%)
CIE-LAB	lab(65.29, -8.63, -34.13)
CIE-LCH	lch(65.29, 35.20, 255.81°)
OKLab	oklab(69.67% -0.0547 -0.0957)
OKLCH	oklch(69.67% 0.11 240.3)
XYZ	xyz(30.3481, 34.4102, 72.0466)
Luminance	0.3441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A6DB #DB8C57

analogous

#57DBCE #57A6DB #5764DB

triadic

#57A6DB #DB57A6 #A6DB57

tetradic

#57A6DB #CE57DB #DB8C57 #64DB57

square

#57A6DB #CE57DB #DB8C57 #64DB57

split-complementary

#57A6DB #DB5764 #DBCE57

monochromatic

#206797 #2B8ACA #57A6DB #89C1E6 #BCDBF1

Accessibility & contrast

On white

2.66

#57A6DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#57A6DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A6DB

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A6DB	#FFFFFF	#000000	##000000
##57A6DB	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA6DD

Deuteranopia (green-blind)

#7C99DA

Tritanopia (blue-blind)

#00B3B8

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a6db;
/* rgb */ color: rgb(87, 166, 219);
/* oklch */ color: oklch(69.7% 0.110 240.3);

Tailwind

colors: {
  custom: {
    50: '#91c0e6',
    500: '#57a6db',
    950: '#000000',
  },
}

SCSS

$custom: #57a6db;
$custom-light: #91c0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#57a6db",
  "rgb": {
    "r": 87,
    "g": 166,
    "b": 219
  },
  "hsl": {
    "h": 204.091,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.69674,
    "c": 0.11026,
    "h": 240.3
  },
  "luminance": 0.34413
}

Semantic roles & 50–950 ramp

primary

#57A6DB

secondary

#E0C2AD

accent

#8340E8

background

#F9FBFE

surface

#F2F7FC

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A6DB

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

Preview Lab → · Contrast checker → · Palette generator →