#37559C#37559C

#37559C is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.4% C 0.121 H 264.9°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#37559C
RGB	rgb(55, 85, 156)
HSL	hsl(222, 48%, 41%)
HSV	hsv(222, 65%, 61%)
CMYK	cmyk(64.7%, 45.5%, 0%, 38.8%)
CIE-LAB	lab(37.31, 12.54, -42.08)
CIE-LCH	lch(37.31, 43.91, 286.60°)
OKLab	oklab(46.39% -0.0108 -0.1202)
OKLCH	oklch(46.39% 0.121 264.9)
XYZ	xyz(10.8227, 9.7085, 32.7496)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37559C #9C7E37

analogous

#37889C #37559C #4C379C

triadic

#37559C #9C3755 #559C37

tetradic

#37559C #9C3788 #9C7E37 #379C4C

square

#37559C #9C3788 #9C7E37 #379C4C

split-complementary

#37559C #9C4C37 #889C37

monochromatic

#172442 #273C6F #37559C #4F71C1 #7C96D1

Accessibility & contrast

On white

7.14

#37559C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#37559C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37559C

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37559C	#FFFFFF	#000000	##FFFFFF
##37559C	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335D9F

Deuteranopia (green-blind)

#23539B

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37559c;
/* rgb */ color: rgb(55, 85, 156);
/* oklch */ color: oklch(46.4% 0.121 264.9);

Tailwind

colors: {
  custom: {
    50: '#7884ba',
    500: '#37559c',
    950: '#000000',
  },
}

SCSS

$custom: #37559c;
$custom-light: #7884ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37559c",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 156
  },
  "hsl": {
    "h": 222.178,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46391,
    "c": 0.12065,
    "h": 264.9
  },
  "luminance": 0.0971
}

Semantic roles & 50–950 ramp

primary

#37559C

secondary

#BAA575

accent

#AF50D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #37559C

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

Preview Lab → · Contrast checker → · Palette generator →