#37519C#37519C

#37519C is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.5% C 0.126 H 267.0°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#37519C
RGB	rgb(55, 81, 156)
HSL	hsl(225, 48%, 41%)
HSV	hsv(225, 65%, 61%)
CMYK	cmyk(64.7%, 48.1%, 0%, 38.8%)
CIE-LAB	lab(36.17, 15.17, -43.92)
CIE-LCH	lch(36.17, 46.46, 289.06°)
OKLab	oklab(45.51% -0.0066 -0.1256)
OKLCH	oklch(45.51% 0.126 267)
XYZ	xyz(10.5167, 9.0964, 32.6476)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37519C #9C8237

analogous

#37849C #37519C #50379C

triadic

#37519C #9C3751 #519C37

tetradic

#37519C #9C3784 #9C8237 #379C50

square

#37519C #9C3784 #9C8237 #379C50

split-complementary

#37519C #9C5037 #849C37

monochromatic

#172242 #273A6F #37519C #4F6CC1 #7C92D1

Accessibility & contrast

On white

7.45

#37519C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#37519C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37519C

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37519C	#FFFFFF	#000000	##FFFFFF
##37519C	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5A9F

Deuteranopia (green-blind)

#18519A

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37519c;
/* rgb */ color: rgb(55, 81, 156);
/* oklch */ color: oklch(45.5% 0.126 267.0);

Tailwind

colors: {
  custom: {
    50: '#7881ba',
    500: '#37519c',
    950: '#000000',
  },
}

SCSS

$custom: #37519c;
$custom-light: #7881ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37519c",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 156
  },
  "hsl": {
    "h": 224.554,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.45514,
    "c": 0.1258,
    "h": 267
  },
  "luminance": 0.09097
}

Semantic roles & 50–950 ramp

primary

#37519C

secondary

#BAA875

accent

#B550D7

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #37519C

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

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