#37548C#37548C

#37548C is a mid, moderate blue. Relative luminance 0.090; OKLCH L 45.1% C 0.098 H 262.4°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#37548C
RGB	rgb(55, 84, 140)
HSL	hsl(220, 44%, 38%)
HSV	hsv(220, 61%, 55%)
CMYK	cmyk(60.7%, 40%, 0%, 45.1%)
CIE-LAB	lab(36.07, 7.41, -34.38)
CIE-LCH	lch(36.07, 35.17, 282.17°)
OKLab	oklab(45.13% -0.013 -0.0976)
OKLCH	oklch(45.13% 0.098 262.4)
XYZ	xyz(9.4779, 9.0455, 26.0524)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37548C #8C6F37

analogous

#377E8C #37548C #44378C

triadic

#37548C #8C3754 #548C37

tetradic

#37548C #8C377E #8C6F37 #378C44

square

#37548C #8C377E #8C6F37 #378C44

split-complementary

#37548C #8C4437 #7E8C37

monochromatic

#141F34 #263A60 #37548C #496FB7 #7591C9

Accessibility & contrast

On white

7.48

#37548C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#37548C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37548C

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37548C	#FFFFFF	#000000	##FFFFFF
##37548C	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598E

Deuteranopia (green-blind)

#31518B

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37548c;
/* rgb */ color: rgb(55, 84, 140);
/* oklch */ color: oklch(45.1% 0.098 262.4);

Tailwind

colors: {
  custom: {
    50: '#7583ae',
    500: '#37548c',
    950: '#000000',
  },
}

SCSS

$custom: #37548c;
$custom-light: #7583ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37548c",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 140
  },
  "hsl": {
    "h": 219.529,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45125,
    "c": 0.09846,
    "h": 262.4
  },
  "luminance": 0.09046
}

Semantic roles & 50–950 ramp

primary

#37548C

secondary

#B19A6D

accent

#A854D3

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37548C

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

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