#37ACEE#37ACEE

#37ACEE is a light, vivid cyan. Relative luminance 0.365; OKLCH L 71.0% C 0.140 H 238.6°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#37ACEE
RGB	rgb(55, 172, 238)
HSL	hsl(202, 84%, 57%)
HSV	hsv(202, 77%, 93%)
CMYK	cmyk(76.9%, 27.7%, 0%, 6.7%)
CIE-LAB	lab(66.89, -10.34, -42.13)
CIE-LCH	lch(66.89, 43.38, 256.21°)
OKLab	oklab(70.95% -0.0727 -0.1191)
OKLCH	oklch(70.95% 0.14 238.6)
XYZ	xyz(31.7546, 36.4865, 86.2413)
Luminance	0.3649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ACEE #EE7937

analogous

#37EED4 #37ACEE #3751EE

triadic

#37ACEE #EE37AC #ACEE37

tetradic

#37ACEE #D437EE #EE7937 #51EE37

square

#37ACEE #D437EE #EE7937 #51EE37

split-complementary

#37ACEE #EE3751 #EED437

monochromatic

#0D699D #128FD6 #37ACEE #6FC3F3 #A8DBF8

Accessibility & contrast

On white

2.53

#37ACEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#37ACEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ACEE

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ACEE	#FFFFFF	#000000	##000000
##37ACEE	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DACF1

Deuteranopia (green-blind)

#749BED

Tritanopia (blue-blind)

#00BDC3

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #37acee;
/* rgb */ color: rgb(55, 172, 238);
/* oklch */ color: oklch(71.0% 0.140 238.6);

Tailwind

colors: {
  custom: {
    50: '#88c4f4',
    500: '#37acee',
    950: '#000000',
  },
}

SCSS

$custom: #37acee;
$custom-light: #88c4f4;
$custom-dark: #000000;

JSON

{
  "hex": "#37acee",
  "rgb": {
    "r": 55,
    "g": 172,
    "b": 238
  },
  "hsl": {
    "h": 201.639,
    "s": 84.332,
    "l": 57.451
  },
  "oklch": {
    "l": 0.7095,
    "c": 0.13956,
    "h": 238.6
  },
  "luminance": 0.3649
}

Semantic roles & 50–950 ramp

primary

#37ACEE

secondary

#E5B69B

accent

#772DFB

background

#F9FCFE

surface

#F1F8FD

border

#CBD1D5

text

#0D1217

muted

#7E8185

Preview Lab

Preview with #37ACEE

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

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