#37508C#37508C

#37508C is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.2% C 0.103 H 265.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#37508C
RGB	rgb(55, 80, 140)
HSL	hsl(222, 44%, 38%)
HSV	hsv(222, 61%, 55%)
CMYK	cmyk(60.7%, 42.9%, 0%, 45.1%)
CIE-LAB	lab(34.89, 10.03, -36.27)
CIE-LCH	lch(34.89, 37.63, 285.46°)
OKLab	oklab(44.21% -0.0084 -0.1032)
OKLCH	oklch(44.21% 0.104 265.4)
XYZ	xyz(9.1762, 8.4422, 25.9518)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37508C #8C7337

analogous

#377A8C #37508C #48378C

triadic

#37508C #8C3750 #508C37

tetradic

#37508C #8C377A #8C7337 #378C48

square

#37508C #8C377A #8C7337 #378C48

split-complementary

#37508C #8C4837 #7A8C37

monochromatic

#141E34 #263760 #37508C #4969B7 #758DC9

Accessibility & contrast

On white

7.81

#37508C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#37508C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37508C

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37508C	#FFFFFF	#000000	##FFFFFF
##37508C	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36568E

Deuteranopia (green-blind)

#2A4E8B

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37508c;
/* rgb */ color: rgb(55, 80, 140);
/* oklch */ color: oklch(44.2% 0.103 265.4);

Tailwind

colors: {
  custom: {
    50: '#7580ae',
    500: '#37508c',
    950: '#000000',
  },
}

SCSS

$custom: #37508c;
$custom-light: #7580ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37508c",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 140
  },
  "hsl": {
    "h": 222.353,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.4421,
    "c": 0.1035,
    "h": 265.4
  },
  "luminance": 0.08443
}

Semantic roles & 50–950 ramp

primary

#37508C

secondary

#B19D6D

accent

#AE54D3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37508C

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

Preview Lab → · Contrast checker → · Palette generator →