#37A7D0#37A7D0

#37A7D0 is a light, moderate cyan. Relative luminance 0.330; OKLCH L 68.4% C 0.115 H 227.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#37A7D0
RGB	rgb(55, 167, 208)
HSL	hsl(196, 62%, 52%)
HSV	hsv(196, 74%, 82%)
CMYK	cmyk(73.6%, 19.7%, 0%, 18.4%)
CIE-LAB	lab(64.16, -17.76, -29.86)
CIE-LCH	lch(64.16, 34.74, 239.27°)
OKLab	oklab(68.36% -0.0782 -0.0838)
OKLCH	oklch(68.36% 0.115 227)
XYZ	xyz(26.7748, 33.0006, 64.6209)
Luminance	0.3300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A7D0 #D06037

analogous

#37D0AC #37A7D0 #375BD0

triadic

#37A7D0 #D037A7 #A7D037

tetradic

#37A7D0 #AC37D0 #D06037 #5BD037

square

#37A7D0 #AC37D0 #D06037 #5BD037

split-complementary

#37A7D0 #D0375B #D0AC37

monochromatic

#1B5B72 #2682A3 #37A7D0 #69BDDC #9AD3E7

Accessibility & contrast

On white

2.76

#37A7D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.60

#37A7D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7D0

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A7D0	#FFFFFF	#000000	##000000
##37A7D0	1.00	2.76	7.60	7.60
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.60	21.00	1.00	1.00
##000000	7.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A4D2

Deuteranopia (green-blind)

#7C95CF

Tritanopia (blue-blind)

#00B3B4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #37a7d0;
/* rgb */ color: rgb(55, 167, 208);
/* oklch */ color: oklch(68.4% 0.115 227.0);

Tailwind

colors: {
  custom: {
    50: '#83c1de',
    500: '#37a7d0',
    950: '#000000',
  },
}

SCSS

$custom: #37a7d0;
$custom-light: #83c1de;
$custom-dark: #000000;

JSON

{
  "hex": "#37a7d0",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 208
  },
  "hsl": {
    "h": 196.078,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.68358,
    "c": 0.1146,
    "h": 227
  },
  "luminance": 0.33004
}

Semantic roles & 50–950 ramp

primary

#37A7D0

secondary

#D3A290

accent

#6E43E5

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A7D0

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

Preview Lab → · Contrast checker → · Palette generator →