#37548D#37548D

#37548D is a mid, moderate blue. Relative luminance 0.091; OKLCH L 45.2% C 0.100 H 262.7°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#37548D
RGB	rgb(55, 84, 141)
HSL	hsl(220, 44%, 38%)
HSV	hsv(220, 61%, 55%)
CMYK	cmyk(61%, 40.4%, 0%, 44.7%)
CIE-LAB	lab(36.13, 7.77, -34.90)
CIE-LCH	lch(36.13, 35.76, 282.55°)
OKLab	oklab(45.19% -0.0127 -0.0991)
OKLCH	oklch(45.19% 0.1 262.7)
XYZ	xyz(9.5519, 9.0751, 26.4424)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37548D #8D7037

analogous

#377F8D #37548D #45378D

triadic

#37548D #8D3754 #548D37

tetradic

#37548D #8D377F #8D7037 #378D45

square

#37548D #8D377F #8D7037 #378D45

split-complementary

#37548D #8D4537 #7F8D37

monochromatic

#152035 #263A61 #37548D #496FB8 #7592C9

Accessibility & contrast

On white

7.46

#37548D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#37548D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37548D

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37548D	#FFFFFF	#000000	##FFFFFF
##37548D	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598F

Deuteranopia (green-blind)

#30518C

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37548d;
/* rgb */ color: rgb(55, 84, 141);
/* oklch */ color: oklch(45.2% 0.100 262.7);

Tailwind

colors: {
  custom: {
    50: '#7683ae',
    500: '#37548d',
    950: '#000000',
  },
}

SCSS

$custom: #37548d;
$custom-light: #7683ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37548d",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 141
  },
  "hsl": {
    "h": 219.767,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45187,
    "c": 0.09994,
    "h": 262.7
  },
  "luminance": 0.09076
}

Semantic roles & 50–950 ramp

primary

#37548D

secondary

#B29B6E

accent

#A954D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37548D

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

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