#37A1DA#37A1DA

#37A1DA is a light, vivid cyan. Relative luminance 0.314; OKLCH L 67.4% C 0.126 H 236.9°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#37A1DA
RGB	rgb(55, 161, 218)
HSL	hsl(201, 69%, 54%)
HSV	hsv(201, 75%, 85%)
CMYK	cmyk(74.8%, 26.1%, 0%, 14.5%)
CIE-LAB	lab(62.81, -11.14, -37.51)
CIE-LCH	lch(62.81, 39.13, 253.46°)
OKLab	oklab(67.42% -0.069 -0.1058)
OKLCH	oklch(67.42% 0.126 236.9)
XYZ	xyz(26.9703, 31.3607, 70.9479)
Luminance	0.3136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A1DA #DA7037

analogous

#37DAC2 #37A1DA #374FDA

triadic

#37A1DA #DA37A1 #A1DA37

tetradic

#37A1DA #C237DA #DA7037 #4FDA37

square

#37A1DA #C237DA #DA7037 #4FDA37

split-complementary

#37A1DA #DA374F #DAC237

monochromatic

#185B7F #2180B3 #37A1DA #6BB9E4 #9ED2ED

Accessibility & contrast

On white

2.89

#37A1DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#37A1DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A1DA

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A1DA	#FFFFFF	#000000	##000000
##37A1DA	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86A1DD

Deuteranopia (green-blind)

#7091D9

Tritanopia (blue-blind)

#00B0B5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #37a1da;
/* rgb */ color: rgb(55, 161, 218);
/* oklch */ color: oklch(67.4% 0.126 236.9);

Tailwind

colors: {
  custom: {
    50: '#84bce5',
    500: '#37a1da',
    950: '#000000',
  },
}

SCSS

$custom: #37a1da;
$custom-light: #84bce5;
$custom-dark: #000000;

JSON

{
  "hex": "#37a1da",
  "rgb": {
    "r": 55,
    "g": 161,
    "b": 218
  },
  "hsl": {
    "h": 200.982,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.67419,
    "c": 0.12635,
    "h": 236.9
  },
  "luminance": 0.31364
}

Semantic roles & 50–950 ramp

primary

#37A1DA

secondary

#D9AC93

accent

#7A3CEC

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1216

muted

#7D8184

Preview Lab

Preview with #37A1DA

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

Preview Lab → · Contrast checker → · Palette generator →