#37A1CA#37A1CA

#37A1CA is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.7% C 0.112 H 228.1°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#37A1CA
RGB	rgb(55, 161, 202)
HSL	hsl(197, 58%, 50%)
HSV	hsv(197, 73%, 79%)
CMYK	cmyk(72.8%, 20.3%, 0%, 20.8%)
CIE-LAB	lab(62.14, -16.54, -29.66)
CIE-LCH	lch(62.14, 33.96, 240.85°)
OKLab	oklab(66.66% -0.0746 -0.0832)
OKLCH	oklch(66.66% 0.112 228.1)
XYZ	xyz(24.9768, 30.5633, 60.4486)
Luminance	0.3057 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1CA #CA6037

analogous

#37CAAA #37A1CA #3757CA

triadic

#37A1CA #CA37A1 #A1CA37

tetradic

#37A1CA #AA37CA #CA6037 #57CA37

square

#37A1CA #AA37CA #CA6037 #57CA37

split-complementary

#37A1CA #CA3757 #CAAA37

monochromatic

#1C556A #297B9B #37A1CA #67B8D7 #98CEE4

Accessibility & contrast

On white

2.95

#37A1CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#37A1CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1CA

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1CA	#FFFFFF	#000000	##000000
##37A1CA	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B9ECC

Deuteranopia (green-blind)

#7790C9

Tritanopia (blue-blind)

#00ADAF

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #37a1ca;
/* rgb */ color: rgb(55, 161, 202);
/* oklch */ color: oklch(66.7% 0.112 228.1);

Tailwind

colors: {
  custom: {
    50: '#81bcda',
    500: '#37a1ca',
    950: '#000000',
  },
}

SCSS

$custom: #37a1ca;
$custom-light: #81bcda;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1ca",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 202
  },
  "hsl": {
    "h": 196.735,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.6666,
    "c": 0.11171,
    "h": 228.1
  },
  "luminance": 0.30566
}

Semantic roles & 50–950 ramp

primary

#37A1CA

secondary

#CFA08E

accent

#7246E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #37A1CA

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

Preview Lab → · Contrast checker → · Palette generator →