#37A8D2#37A8D2

#37A8D2 is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.7% C 0.116 H 227.4°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#37A8D2
RGB	rgb(55, 168, 210)
HSL	hsl(196, 63%, 52%)
HSV	hsv(196, 74%, 82%)
CMYK	cmyk(73.8%, 20%, 0%, 17.6%)
CIE-LAB	lab(64.54, -17.63, -30.39)
CIE-LCH	lch(64.54, 35.13, 239.89°)
OKLab	oklab(68.69% -0.0785 -0.0853)
OKLCH	oklch(68.69% 0.116 227.4)
XYZ	xyz(27.2063, 33.4674, 65.9863)
Luminance	0.3347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A8D2 #D26137

analogous

#37D2AE #37A8D2 #375BD2

triadic

#37A8D2 #D237A8 #A8D237

tetradic

#37A8D2 #AE37D2 #D26137 #5BD237

square

#37A8D2 #AE37D2 #D26137 #5BD237

split-complementary

#37A8D2 #D2375B #D2AE37

monochromatic

#1A5C74 #2583A6 #37A8D2 #69BEDD #9BD3E8

Accessibility & contrast

On white

2.73

#37A8D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#37A8D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A8D2

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A8D2	#FFFFFF	#000000	##000000
##37A8D2	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A5D4

Deuteranopia (green-blind)

#7D96D1

Tritanopia (blue-blind)

#00B4B6

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #37a8d2;
/* rgb */ color: rgb(55, 168, 210);
/* oklch */ color: oklch(68.7% 0.116 227.4);

Tailwind

colors: {
  custom: {
    50: '#83c2e0',
    500: '#37a8d2',
    950: '#000000',
  },
}

SCSS

$custom: #37a8d2;
$custom-light: #83c2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a8d2",
  "rgb": {
    "r": 55,
    "g": 168,
    "b": 210
  },
  "hsl": {
    "h": 196.258,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.68686,
    "c": 0.11586,
    "h": 227.4
  },
  "luminance": 0.33471
}

Semantic roles & 50–950 ramp

primary

#37A8D2

secondary

#D4A390

accent

#6E41E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A8D2

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

Preview Lab → · Contrast checker → · Palette generator →