#37508F#37508F

#37508F is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.4% C 0.108 H 265.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#37508F
RGB	rgb(55, 80, 143)
HSL	hsl(223, 44%, 39%)
HSV	hsv(223, 62%, 56%)
CMYK	cmyk(61.5%, 44.1%, 0%, 43.9%)
CIE-LAB	lab(35.07, 11.11, -37.81)
CIE-LCH	lch(35.07, 39.41, 286.38°)
OKLab	oklab(44.41% -0.0078 -0.1077)
OKLCH	oklch(44.41% 0.108 265.9)
XYZ	xyz(9.4004, 8.5319, 27.1327)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37508F #8F7637

analogous

#377C8F #37508F #4A378F

triadic

#37508F #8F3750 #508F37

tetradic

#37508F #8F377C #8F7637 #378F4A

square

#37508F #8F377C #8F7637 #378F4A

split-complementary

#37508F #8F4A37 #7C8F37

monochromatic

#151F37 #263763 #37508F #4A6AB9 #768ECA

Accessibility & contrast

On white

7.76

#37508F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#37508F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37508F

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37508F	#FFFFFF	#000000	##FFFFFF
##37508F	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345791

Deuteranopia (green-blind)

#274F8E

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37508f;
/* rgb */ color: rgb(55, 80, 143);
/* oklch */ color: oklch(44.4% 0.108 265.9);

Tailwind

colors: {
  custom: {
    50: '#7680b0',
    500: '#37508f',
    950: '#000000',
  },
}

SCSS

$custom: #37508f;
$custom-light: #7680b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37508f",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 143
  },
  "hsl": {
    "h": 222.955,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.44407,
    "c": 0.10797,
    "h": 265.9
  },
  "luminance": 0.08533
}

Semantic roles & 50–950 ramp

primary

#37508F

secondary

#B3A06F

accent

#B054D4

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37508F

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

Preview Lab → · Contrast checker → · Palette generator →