#37449F#37449F

#37449F is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.0% C 0.147 H 272.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#37449F
RGB	rgb(55, 68, 159)
HSL	hsl(233, 49%, 42%)
HSV	hsv(233, 65%, 62%)
CMYK	cmyk(65.4%, 57.2%, 0%, 37.6%)
CIE-LAB	lab(32.81, 24.86, -51.15)
CIE-LCH	lch(32.81, 56.87, 295.93°)
OKLab	oklab(43.04% 0.0064 -0.1471)
OKLCH	oklch(43.04% 0.147 272.5)
XYZ	xyz(9.8986, 7.4488, 33.7103)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37449F #9F9237

analogous

#37789F #37449F #5E379F

triadic

#37449F #9F3744 #449F37

tetradic

#37449F #9F3778 #9F9237 #379F5E

square

#37449F #9F3778 #9F9237 #379F5E

split-complementary

#37449F #9F5E37 #789F37

monochromatic

#181D44 #273172 #37449F #515FC3 #7E89D2

Accessibility & contrast

On white

8.43

#37449F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#37449F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37449F

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37449F	#FFFFFF	#000000	##FFFFFF
##37449F	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#005A6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #37449f;
/* rgb */ color: rgb(55, 68, 159);
/* oklch */ color: oklch(43.0% 0.147 272.5);

Tailwind

colors: {
  custom: {
    50: '#7a77bc',
    500: '#37449f',
    950: '#000000',
  },
}

SCSS

$custom: #37449f;
$custom-light: #7a77bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37449f",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 159
  },
  "hsl": {
    "h": 232.5,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43042,
    "c": 0.14721,
    "h": 272.5
  },
  "luminance": 0.0745
}

Semantic roles & 50–950 ramp

primary

#37449F

secondary

#BCB376

accent

#C750D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #37449F

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

Preview Lab → · Contrast checker → · Palette generator →