#57A0E7#57A0E7

#57A0E7 is a light, vivid cyan. Relative luminance 0.329; OKLCH L 68.9% C 0.128 H 249.6°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#57A0E7
RGB	rgb(87, 160, 231)
HSL	hsl(210, 75%, 62%)
HSV	hsv(210, 62%, 91%)
CMYK	cmyk(62.3%, 30.7%, 0%, 9.4%)
CIE-LAB	lab(64.11, -1.42, -42.59)
CIE-LCH	lch(64.11, 42.61, 268.10°)
OKLab	oklab(68.92% -0.0447 -0.1203)
OKLCH	oklch(68.92% 0.128 249.6)
XYZ	xyz(30.9198, 32.9344, 80.3133)
Luminance	0.3294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A0E7 #E79E57

analogous

#57E7E6 #57A0E7 #5758E7

triadic

#57A0E7 #E757A0 #A0E757

tetradic

#57A0E7 #E657E7 #E79E57 #58E757

square

#57A0E7 #E657E7 #E79E57 #58E757

split-complementary

#57A0E7 #E75758 #E7E657

monochromatic

#1863AB #2182DF #57A0E7 #8DBEEF #C2DDF6

Accessibility & contrast

On white

2.77

#57A0E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#57A0E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A0E7

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A0E7	#FFFFFF	#000000	##000000
##57A0E7	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81A3EA

Deuteranopia (green-blind)

#6E95E6

Tritanopia (blue-blind)

#00B1B9

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #57a0e7;
/* rgb */ color: rgb(87, 160, 231);
/* oklch */ color: oklch(68.9% 0.128 249.6);

Tailwind

colors: {
  custom: {
    50: '#93bbef',
    500: '#57a0e7',
    950: '#000000',
  },
}

SCSS

$custom: #57a0e7;
$custom-light: #93bbef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a0e7",
  "rgb": {
    "r": 87,
    "g": 160,
    "b": 231
  },
  "hsl": {
    "h": 209.583,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68916,
    "c": 0.12832,
    "h": 249.6
  },
  "luminance": 0.32937
}

Semantic roles & 50–950 ramp

primary

#57A0E7

secondary

#E7CDB3

accent

#710ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #57A0E7

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

Preview Lab → · Contrast checker → · Palette generator →