#37659C#37659C

#37659C is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 50.0% C 0.102 H 254.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#37659C
RGB	rgb(55, 101, 156)
HSL	hsl(213, 48%, 41%)
HSV	hsv(213, 65%, 61%)
CMYK	cmyk(64.7%, 35.3%, 0%, 38.8%)
CIE-LAB	lab(42.03, 2.29, -34.59)
CIE-LCH	lch(42.03, 34.66, 273.78°)
OKLab	oklab(50.04% -0.0279 -0.098)
OKLCH	oklch(50.04% 0.102 254.1)
XYZ	xyz(12.2278, 12.5187, 33.2180)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37659C #9C6E37

analogous

#37989C #37659C #3C379C

triadic

#37659C #9C3765 #659C37

tetradic

#37659C #9C3798 #9C6E37 #379C3C

square

#37659C #9C3798 #9C6E37 #379C3C

split-complementary

#37659C #9C3C37 #989C37

monochromatic

#172A42 #27486F #37659C #4F83C1 #7CA3D1

Accessibility & contrast

On white

5.99

#37659C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#37659C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37659C

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37659C	#FFFFFF	#000000	##FFFFFF
##37659C	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D689E

Deuteranopia (green-blind)

#3F5F9B

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #37659c;
/* rgb */ color: rgb(55, 101, 156);
/* oklch */ color: oklch(50.0% 0.102 254.1);

Tailwind

colors: {
  custom: {
    50: '#7890b9',
    500: '#37659c',
    950: '#000000',
  },
}

SCSS

$custom: #37659c;
$custom-light: #7890b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37659c",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 156
  },
  "hsl": {
    "h": 212.673,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.50045,
    "c": 0.10191,
    "h": 254.1
  },
  "luminance": 0.1252
}

Semantic roles & 50–950 ramp

primary

#37659C

secondary

#BA9A75

accent

#9A50D7

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #37659C

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

Preview Lab → · Contrast checker → · Palette generator →