#37A3C1#37A3C1

#37A3C1 is a light, moderate cyan. Relative luminance 0.309; OKLCH L 66.7% C 0.105 H 220.3°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#37A3C1
RGB	rgb(55, 163, 193)
HSL	hsl(193, 56%, 49%)
HSV	hsv(193, 72%, 76%)
CMYK	cmyk(71.5%, 15.5%, 0%, 24.3%)
CIE-LAB	lab(62.38, -20.55, -24.25)
CIE-LCH	lch(62.38, 31.78, 229.72°)
OKLab	oklab(66.74% -0.0799 -0.0677)
OKLCH	oklch(66.74% 0.105 220.3)
XYZ	xyz(24.2944, 30.8541, 55.1168)
Luminance	0.3086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37A3C1 #C15537

analogous

#37C19A #37A3C1 #375EC1

triadic

#37A3C1 #C137A3 #A3C137

tetradic

#37A3C1 #9A37C1 #C15537 #5EC137

square

#37A3C1 #9A37C1 #C15537 #5EC137

split-complementary

#37A3C1 #C1375E #C19A37

monochromatic

#1C5362 #297B91 #37A3C1 #63BAD2 #92CFE0

Accessibility & contrast

On white

2.93

#37A3C1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#37A3C1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A3C1

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37A3C1	#FFFFFF	#000000	##000000
##37A3C1	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#919FC3

Deuteranopia (green-blind)

#7E91C1

Tritanopia (blue-blind)

#00ADAD

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #37a3c1;
/* rgb */ color: rgb(55, 163, 193);
/* oklch */ color: oklch(66.7% 0.105 220.3);

Tailwind

colors: {
  custom: {
    50: '#80bed3',
    500: '#37a3c1',
    950: '#000000',
  },
}

SCSS

$custom: #37a3c1;
$custom-light: #80bed3;
$custom-dark: #000000;

JSON

{
  "hex": "#37a3c1",
  "rgb": {
    "r": 55,
    "g": 163,
    "b": 193
  },
  "hsl": {
    "h": 193.043,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.66741,
    "c": 0.10477,
    "h": 220.3
  },
  "luminance": 0.30857
}

Semantic roles & 50–950 ramp

primary

#37A3C1

secondary

#CB9789

accent

#6949DF

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #37A3C1

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

Preview Lab → · Contrast checker → · Palette generator →