#37449B#37449B

#37449B is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.142 H 272.5°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#37449B
RGB	rgb(55, 68, 155)
HSL	hsl(232, 48%, 41%)
HSV	hsv(232, 65%, 61%)
CMYK	cmyk(64.5%, 56.1%, 0%, 39.2%)
CIE-LAB	lab(32.51, 23.42, -49.22)
CIE-LCH	lch(32.51, 54.51, 295.45°)
OKLab	oklab(42.72% 0.0063 -0.1414)
OKLCH	oklch(42.72% 0.142 272.5)
XYZ	xyz(9.5571, 7.3122, 31.9117)
Luminance	0.0731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37449B #9B8E37

analogous

#37769B #37449B #5C379B

triadic

#37449B #9B3744 #449B37

tetradic

#37449B #9B3776 #9B8E37 #379B5C

square

#37449B #9B3776 #9B8E37 #379B5C

split-complementary

#37449B #9B5C37 #769B37

monochromatic

#171C41 #27306E #37449B #4F5EC0 #7C87D0

Accessibility & contrast

On white

8.53

#37449B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#37449B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37449B

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37449B	#FFFFFF	#000000	##FFFFFF
##37449B	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #37449b;
/* rgb */ color: rgb(55, 68, 155);
/* oklch */ color: oklch(42.7% 0.142 272.5);

Tailwind

colors: {
  custom: {
    50: '#7977b9',
    500: '#37449b',
    950: '#000000',
  },
}

SCSS

$custom: #37449b;
$custom-light: #7977b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37449b",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 155
  },
  "hsl": {
    "h": 232.2,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42722,
    "c": 0.14153,
    "h": 272.5
  },
  "luminance": 0.07313
}

Semantic roles & 50–950 ramp

primary

#37449B

secondary

#BAB174

accent

#C651D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #37449B

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

Preview Lab → · Contrast checker → · Palette generator →