#37A7D2#37A7D2

#37A7D2 is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.4% C 0.116 H 228.2°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#37A7D2
RGB	rgb(55, 167, 210)
HSL	hsl(197, 63%, 52%)
HSV	hsv(197, 74%, 82%)
CMYK	cmyk(73.8%, 20.5%, 0%, 17.6%)
CIE-LAB	lab(64.24, -17.09, -30.85)
CIE-LCH	lch(64.24, 35.27, 241.01°)
OKLab	oklab(68.45% -0.0775 -0.0866)
OKLCH	oklch(68.45% 0.116 228.2)
XYZ	xyz(27.0224, 33.0996, 65.9250)
Luminance	0.3310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7D2 #D26237

analogous

#37D2AF #37A7D2 #375AD2

triadic

#37A7D2 #D237A7 #A7D237

tetradic

#37A7D2 #AF37D2 #D26237 #5AD237

square

#37A7D2 #AF37D2 #D26237 #5AD237

split-complementary

#37A7D2 #D2375A #D2AF37

monochromatic

#1A5B74 #2583A6 #37A7D2 #69BDDD #9BD3E8

Accessibility & contrast

On white

2.76

#37A7D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#37A7D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7D2

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7D2	#FFFFFF	#000000	##000000
##37A7D2	1.00	2.76	7.62	7.62
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A4D4

Deuteranopia (green-blind)

#7B95D1

Tritanopia (blue-blind)

#00B3B5

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a7d2;
/* rgb */ color: rgb(55, 167, 210);
/* oklch */ color: oklch(68.4% 0.116 228.2);

Tailwind

colors: {
  custom: {
    50: '#83c1e0',
    500: '#37a7d2',
    950: '#000000',
  },
}

SCSS

$custom: #37a7d2;
$custom-light: #83c1e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7d2",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 210
  },
  "hsl": {
    "h": 196.645,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.68449,
    "c": 0.11619,
    "h": 228.2
  },
  "luminance": 0.33103
}

Semantic roles & 50–950 ramp

primary

#37A7D2

secondary

#D4A390

accent

#6F41E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A7D2

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

Preview Lab → · Contrast checker → · Palette generator →