#37558C#37558C

#37558C is a mid, moderate blue. Relative luminance 0.092; OKLCH L 45.4% C 0.097 H 261.6°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#37558C
RGB	rgb(55, 85, 140)
HSL	hsl(219, 44%, 38%)
HSV	hsv(219, 61%, 55%)
CMYK	cmyk(60.7%, 39.3%, 0%, 45.1%)
CIE-LAB	lab(36.37, 6.76, -33.91)
CIE-LCH	lch(36.37, 34.58, 281.28°)
OKLab	oklab(45.36% -0.0141 -0.0962)
OKLCH	oklch(45.36% 0.097 261.6)
XYZ	xyz(9.5560, 9.2019, 26.0784)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37558C #8C6E37

analogous

#377F8C #37558C #43378C

triadic

#37558C #8C3755 #558C37

tetradic

#37558C #8C377F #8C6E37 #378C43

square

#37558C #8C377F #8C6E37 #378C43

split-complementary

#37558C #8C4337 #7F8C37

monochromatic

#142034 #263A60 #37558C #4970B7 #7592C9

Accessibility & contrast

On white

7.39

#37558C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#37558C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37558C

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37558C	#FFFFFF	#000000	##FFFFFF
##37558C	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5A8E

Deuteranopia (green-blind)

#32528B

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37558c;
/* rgb */ color: rgb(55, 85, 140);
/* oklch */ color: oklch(45.4% 0.097 261.6);

Tailwind

colors: {
  custom: {
    50: '#7584ae',
    500: '#37558c',
    950: '#000000',
  },
}

SCSS

$custom: #37558c;
$custom-light: #7584ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37558c",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 140
  },
  "hsl": {
    "h": 218.824,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45356,
    "c": 0.09724,
    "h": 261.6
  },
  "luminance": 0.09203
}

Semantic roles & 50–950 ramp

primary

#37558C

secondary

#B1996D

accent

#A754D3

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37558C

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

Preview Lab → · Contrast checker → · Palette generator →