#57ADD2#57ADD2

#57ADD2 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.9% C 0.099 H 228.6°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#57ADD2
RGB	rgb(87, 173, 210)
HSL	hsl(198, 58%, 58%)
HSV	hsv(198, 59%, 82%)
CMYK	cmyk(58.6%, 17.6%, 0%, 17.6%)
CIE-LAB	lab(66.95, -15.21, -26.60)
CIE-LCH	lch(66.95, 30.64, 240.23°)
OKLab	oklab(70.88% -0.0653 -0.0741)
OKLCH	oklch(70.88% 0.099 228.6)
XYZ	xyz(30.5024, 36.5636, 66.4103)
Luminance	0.3657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57ADD2 #D27C57

analogous

#57D2B9 #57ADD2 #576FD2

triadic

#57ADD2 #D257AD #ADD257

tetradic

#57ADD2 #B957D2 #D27C57 #6FD257

square

#57ADD2 #B957D2 #D27C57 #6FD257

split-complementary

#57ADD2 #D2576F #D2B957

monochromatic

#256B8A #3291BA #57ADD2 #87C5DF #B8DCEC

Accessibility & contrast

On white

2.53

#57ADD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#57ADD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57ADD2

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57ADD2	#FFFFFF	#000000	##000000
##57ADD2	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAAD4

Deuteranopia (green-blind)

#889DD2

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #57add2;
/* rgb */ color: rgb(87, 173, 210);
/* oklch */ color: oklch(70.9% 0.099 228.6);

Tailwind

colors: {
  custom: {
    50: '#91c5e0',
    500: '#57add2',
    950: '#000000',
  },
}

SCSS

$custom: #57add2;
$custom-light: #91c5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#57add2",
  "rgb": {
    "r": 87,
    "g": 173,
    "b": 210
  },
  "hsl": {
    "h": 198.049,
    "s": 57.746,
    "l": 58.235
  },
  "oklch": {
    "l": 0.70877,
    "c": 0.09882,
    "h": 228.6
  },
  "luminance": 0.36567
}

Semantic roles & 50–950 ramp

primary

#57ADD2

secondary

#DBB9AA

accent

#7547E1

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #57ADD2

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

Preview Lab → · Contrast checker → · Palette generator →