#57BBEA#57BBEA

#57BBEA is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.115 H 231.5°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#57BBEA
RGB	rgb(87, 187, 234)
HSL	hsl(199, 78%, 63%)
HSV	hsv(199, 63%, 92%)
CMYK	cmyk(62.8%, 20.1%, 0%, 8.2%)
CIE-LAB	lab(71.90, -15.28, -32.10)
CIE-LCH	lch(71.90, 35.55, 244.55°)
OKLab	oklab(75.12% -0.0715 -0.0898)
OKLCH	oklch(75.12% 0.115 231.5)
XYZ	xyz(36.5463, 43.5037, 84.2970)
Luminance	0.4351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57BBEA #EA8657

analogous

#57EAD0 #57BBEA #5771EA

triadic

#57BBEA #EA57BB #BBEA57

tetradic

#57BBEA #D057EA #EA8657 #71EA57

square

#57BBEA #D057EA #EA8657 #71EA57

split-complementary

#57BBEA #EA5771 #EAD057

monochromatic

#167FB1 #21A5E3 #57BBEA #8DD1F1 #C4E7F8

Accessibility & contrast

On white

2.16

#57BBEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#57BBEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57BBEA

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57BBEA	#FFFFFF	#000000	##000000
##57BBEA	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B9EC

Deuteranopia (green-blind)

#8FAAE9

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #57bbea;
/* rgb */ color: rgb(87, 187, 234);
/* oklch */ color: oklch(75.1% 0.115 231.5);

Tailwind

colors: {
  custom: {
    50: '#94cff1',
    500: '#57bbea',
    950: '#000000',
  },
}

SCSS

$custom: #57bbea;
$custom-light: #94cff1;
$custom-dark: #000000;

JSON

{
  "hex": "#57bbea",
  "rgb": {
    "r": 87,
    "g": 187,
    "b": 234
  },
  "hsl": {
    "h": 199.184,
    "s": 77.778,
    "l": 62.941
  },
  "oklch": {
    "l": 0.75121,
    "c": 0.11483,
    "h": 231.5
  },
  "luminance": 0.43507
}

Semantic roles & 50–950 ramp

primary

#57BBEA

secondary

#E9C5B4

accent

#4E0BDA

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #57BBEA

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

Preview Lab → · Contrast checker → · Palette generator →