#37ABD0#37ABD0

#37ABD0 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.114 H 223.7°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#37ABD0
RGB	rgb(55, 171, 208)
HSL	hsl(195, 62%, 52%)
HSV	hsv(195, 74%, 82%)
CMYK	cmyk(73.6%, 17.8%, 0%, 18.4%)
CIE-LAB	lab(65.35, -19.87, -28.03)
CIE-LCH	lch(65.35, 34.36, 234.68°)
OKLab	oklab(69.31% -0.0821 -0.0785)
OKLCH	oklch(69.31% 0.114 223.7)
XYZ	xyz(27.5189, 34.4889, 64.8690)
Luminance	0.3449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37ABD0 #D05C37

analogous

#37D0A9 #37ABD0 #375FD0

triadic

#37ABD0 #D037AB #ABD037

tetradic

#37ABD0 #A937D0 #D05C37 #5FD037

square

#37ABD0 #A937D0 #D05C37 #5FD037

split-complementary

#37ABD0 #D0375F #D0A937

monochromatic

#1B5D72 #2685A3 #37ABD0 #69C0DC #9AD5E7

Accessibility & contrast

On white

2.66

#37ABD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#37ABD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37ABD0

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37ABD0	#FFFFFF	#000000	##000000
##37ABD0	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A7D2

Deuteranopia (green-blind)

#8198D0

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #37abd0;
/* rgb */ color: rgb(55, 171, 208);
/* oklch */ color: oklch(69.3% 0.114 223.7);

Tailwind

colors: {
  custom: {
    50: '#83c4de',
    500: '#37abd0',
    950: '#000000',
  },
}

SCSS

$custom: #37abd0;
$custom-light: #83c4de;
$custom-dark: #000000;

JSON

{
  "hex": "#37abd0",
  "rgb": {
    "r": 55,
    "g": 171,
    "b": 208
  },
  "hsl": {
    "h": 194.51,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69309,
    "c": 0.11358,
    "h": 223.7
  },
  "luminance": 0.34492
}

Semantic roles & 50–950 ramp

primary

#37ABD0

secondary

#D3A090

accent

#6A43E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37ABD0

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

Preview Lab → · Contrast checker → · Palette generator →