#37548A#37548A

#37548A is a mid, moderate blue. Relative luminance 0.090; OKLCH L 45.0% C 0.096 H 261.9°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#37548A
RGB	rgb(55, 84, 138)
HSL	hsl(219, 43%, 38%)
HSV	hsv(219, 60%, 54%)
CMYK	cmyk(60.1%, 39.1%, 0%, 45.9%)
CIE-LAB	lab(35.96, 6.70, -33.34)
CIE-LCH	lch(35.96, 34.01, 281.36°)
OKLab	oklab(45% -0.0135 -0.0946)
OKLCH	oklch(45% 0.096 261.9)
XYZ	xyz(9.3317, 8.9871, 25.2827)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37548A #8A6D37

analogous

#377D8A #37548A #43378A

triadic

#37548A #8A3754 #548A37

tetradic

#37548A #8A377D #8A6D37 #378A43

square

#37548A #8A377D #8A6D37 #378A43

split-complementary

#37548A #8A4337 #7D8A37

monochromatic

#141F32 #26395E #37548A #486FB6 #7491C8

Accessibility & contrast

On white

7.51

#37548A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#37548A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37548A

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37548A	#FFFFFF	#000000	##FFFFFF
##37548A	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D598C

Deuteranopia (green-blind)

#325189

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37548a;
/* rgb */ color: rgb(55, 84, 138);
/* oklch */ color: oklch(45.0% 0.096 261.9);

Tailwind

colors: {
  custom: {
    50: '#7583ac',
    500: '#37548a',
    950: '#000000',
  },
}

SCSS

$custom: #37548a;
$custom-light: #7583ac;
$custom-dark: #000000;

JSON

{
  "hex": "#37548a",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 138
  },
  "hsl": {
    "h": 219.036,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.45001,
    "c": 0.09551,
    "h": 261.9
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary

#37548A

secondary

#B0996D

accent

#A755D3

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37548A

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

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