#37A9D2#37A9D2

#37A9D2 is a light, moderate cyan. Relative luminance 0.338; OKLCH L 68.9% C 0.116 H 226.6°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#37A9D2
RGB	rgb(55, 169, 210)
HSL	hsl(196, 63%, 52%)
HSV	hsv(196, 74%, 82%)
CMYK	cmyk(73.8%, 19.5%, 0%, 17.6%)
CIE-LAB	lab(64.83, -18.16, -29.93)
CIE-LCH	lch(64.83, 35.01, 238.76°)
OKLab	oklab(68.92% -0.0794 -0.0839)
OKLCH	oklch(68.92% 0.116 226.6)
XYZ	xyz(27.3916, 33.8381, 66.0480)
Luminance	0.3384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A9D2 #D26037

analogous

#37D2AE #37A9D2 #375CD2

triadic

#37A9D2 #D237A9 #A9D237

tetradic

#37A9D2 #AE37D2 #D26037 #5CD237

square

#37A9D2 #AE37D2 #D26037 #5CD237

split-complementary

#37A9D2 #D2375C #D2AE37

monochromatic

#1A5D74 #2584A6 #37A9D2 #69BEDD #9BD4E8

Accessibility & contrast

On white

2.70

#37A9D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#37A9D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A9D2

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A9D2	#FFFFFF	#000000	##000000
##37A9D2	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93A6D4

Deuteranopia (green-blind)

#7E97D1

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #37a9d2;
/* rgb */ color: rgb(55, 169, 210);
/* oklch */ color: oklch(68.9% 0.116 226.6);

Tailwind

colors: {
  custom: {
    50: '#83c2e0',
    500: '#37a9d2',
    950: '#000000',
  },
}

SCSS

$custom: #37a9d2;
$custom-light: #83c2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#37a9d2",
  "rgb": {
    "r": 55,
    "g": 169,
    "b": 210
  },
  "hsl": {
    "h": 195.871,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.68923,
    "c": 0.11555,
    "h": 226.6
  },
  "luminance": 0.33841
}

Semantic roles & 50–950 ramp

primary

#37A9D2

secondary

#D4A290

accent

#6D41E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37A9D2

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

Preview Lab → · Contrast checker → · Palette generator →