#37A0D2#37A0D2

#37A0D2 is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.8% C 0.119 H 233.6°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#37A0D2
RGB	rgb(55, 160, 210)
HSL	hsl(199, 63%, 52%)
HSV	hsv(199, 74%, 82%)
CMYK	cmyk(73.8%, 23.8%, 0%, 17.6%)
CIE-LAB	lab(62.17, -13.31, -34.06)
CIE-LCH	lch(62.17, 36.57, 248.65°)
OKLab	oklab(66.8% -0.0708 -0.0959)
OKLCH	oklch(66.8% 0.119 233.6)
XYZ	xyz(25.7746, 30.6040, 65.5090)
Luminance	0.3061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A0D2 #D26937

analogous

#37D2B7 #37A0D2 #3753D2

triadic

#37A0D2 #D237A0 #A0D237

tetradic

#37A0D2 #B737D2 #D26937 #53D237

square

#37A0D2 #B737D2 #D26937 #53D237

split-complementary

#37A0D2 #D23753 #D2B737

monochromatic

#1A5774 #257DA6 #37A0D2 #69B8DD #9BCFE8

Accessibility & contrast

On white

2.95

#37A0D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#37A0D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A0D2

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A0D2	#FFFFFF	#000000	##000000
##37A0D2	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879FD4

Deuteranopia (green-blind)

#7290D1

Tritanopia (blue-blind)

#00ADB1

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a0d2;
/* rgb */ color: rgb(55, 160, 210);
/* oklch */ color: oklch(66.8% 0.119 233.6);

Tailwind

colors: {
  custom: {
    50: '#83bce0',
    500: '#37a0d2',
    950: '#000000',
  },
}

SCSS

$custom: #37a0d2;
$custom-light: #83bce0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a0d2",
  "rgb": {
    "r": 55,
    "g": 160,
    "b": 210
  },
  "hsl": {
    "h": 199.355,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.66797,
    "c": 0.11916,
    "h": 233.6
  },
  "luminance": 0.30607
}

Semantic roles & 50–950 ramp

primary

#37A0D2

secondary

#D4A690

accent

#7741E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A0D2

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

Preview Lab → · Contrast checker → · Palette generator →