#37A6D2#37A6D2

#37A6D2 is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.2% C 0.117 H 229.0°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#37A6D2
RGB	rgb(55, 166, 210)
HSL	hsl(197, 63%, 52%)
HSV	hsv(197, 74%, 82%)
CMYK	cmyk(73.8%, 21%, 0%, 17.6%)
CIE-LAB	lab(63.95, -16.56, -31.31)
CIE-LCH	lch(63.95, 35.42, 242.12°)
OKLab	oklab(68.21% -0.0765 -0.0879)
OKLCH	oklch(68.21% 0.117 229)
XYZ	xyz(26.8399, 32.7346, 65.8641)
Luminance	0.3274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A6D2 #D26337

analogous

#37D2B0 #37A6D2 #3759D2

triadic

#37A6D2 #D237A6 #A6D237

tetradic

#37A6D2 #B037D2 #D26337 #59D237

square

#37A6D2 #B037D2 #D26337 #59D237

split-complementary

#37A6D2 #D23759 #D2B037

monochromatic

#1A5B74 #2582A6 #37A6D2 #69BCDD #9BD2E8

Accessibility & contrast

On white

2.78

#37A6D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#37A6D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A6D2

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A6D2	#FFFFFF	#000000	##000000
##37A6D2	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA3D4

Deuteranopia (green-blind)

#7A94D1

Tritanopia (blue-blind)

#00B2B5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a6d2;
/* rgb */ color: rgb(55, 166, 210);
/* oklch */ color: oklch(68.2% 0.117 229.0);

Tailwind

colors: {
  custom: {
    50: '#83c0e0',
    500: '#37a6d2',
    950: '#000000',
  },
}

SCSS

$custom: #37a6d2;
$custom-light: #83c0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a6d2",
  "rgb": {
    "r": 55,
    "g": 166,
    "b": 210
  },
  "hsl": {
    "h": 197.032,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.68212,
    "c": 0.11655,
    "h": 229
  },
  "luminance": 0.32738
}

Semantic roles & 50–950 ramp

primary

#37A6D2

secondary

#D4A490

accent

#7041E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A6D2

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

Preview Lab → · Contrast checker → · Palette generator →