#37AACE#37AACE

#37AACE is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.0% C 0.112 H 223.2°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#37AACE
RGB	rgb(55, 170, 206)
HSL	hsl(194, 61%, 51%)
HSV	hsv(194, 73%, 81%)
CMYK	cmyk(73.3%, 17.5%, 0%, 19.2%)
CIE-LAB	lab(64.97, -19.99, -27.50)
CIE-LCH	lch(64.97, 34.00, 233.98°)
OKLab	oklab(68.98% -0.0819 -0.077)
OKLCH	oklch(68.98% 0.112 223.2)
XYZ	xyz(27.0862, 34.0147, 63.5185)
Luminance	0.3402 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37AACE #CE5B37

analogous

#37CEA7 #37AACE #375ECE

triadic

#37AACE #CE37AA #AACE37

tetradic

#37AACE #A737CE #CE5B37 #5ECE37

square

#37AACE #A737CE #CE5B37 #5ECE37

split-complementary

#37AACE #CE375E #CEA737

monochromatic

#1B5B6F #2784A0 #37AACE #68BFDA #99D4E6

Accessibility & contrast

On white

2.69

#37AACE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#37AACE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37AACE

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37AACE	#FFFFFF	#000000	##000000
##37AACE	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A6D0

Deuteranopia (green-blind)

#8197CE

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #37aace;
/* rgb */ color: rgb(55, 170, 206);
/* oklch */ color: oklch(69.0% 0.112 223.2);

Tailwind

colors: {
  custom: {
    50: '#83c3dd',
    500: '#37aace',
    950: '#000000',
  },
}

SCSS

$custom: #37aace;
$custom-light: #83c3dd;
$custom-dark: #000000;

JSON

{
  "hex": "#37aace",
  "rgb": {
    "r": 55,
    "g": 170,
    "b": 206
  },
  "hsl": {
    "h": 194.305,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.68983,
    "c": 0.11238,
    "h": 223.2
  },
  "luminance": 0.34018
}

Semantic roles & 50–950 ramp

primary

#37AACE

secondary

#D29F8F

accent

#6A44E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #37AACE

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

Preview Lab → · Contrast checker → · Palette generator →