#37519E#37519E

#37519E is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.7% C 0.129 H 267.2°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#37519E
RGB	rgb(55, 81, 158)
HSL	hsl(225, 48%, 42%)
HSV	hsv(225, 65%, 62%)
CMYK	cmyk(65.2%, 48.7%, 0%, 38%)
CIE-LAB	lab(36.30, 15.90, -44.91)
CIE-LCH	lch(36.30, 47.64, 289.50°)
OKLab	oklab(45.66% -0.0064 -0.1285)
OKLCH	oklch(45.66% 0.129 267.2)
XYZ	xyz(10.6874, 9.1647, 33.5469)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37519E #9E8437

analogous

#37859E #37519E #50379E

triadic

#37519E #9E3751 #519E37

tetradic

#37519E #9E3785 #9E8437 #379E50

square

#37519E #9E3785 #9E8437 #379E50

split-complementary

#37519E #9E5037 #859E37

monochromatic

#172243 #273A71 #37519E #506DC2 #7D93D2

Accessibility & contrast

On white

7.41

#37519E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#37519E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37519E

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37519E	#FFFFFF	#000000	##FFFFFF
##37519E	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295AA1

Deuteranopia (green-blind)

#14519C

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37519e;
/* rgb */ color: rgb(55, 81, 158);
/* oklch */ color: oklch(45.7% 0.129 267.2);

Tailwind

colors: {
  custom: {
    50: '#7981bb',
    500: '#37519e',
    950: '#000000',
  },
}

SCSS

$custom: #37519e;
$custom-light: #7981bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37519e",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 224.854,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.45655,
    "c": 0.1287,
    "h": 267.2
  },
  "luminance": 0.09166
}

Semantic roles & 50–950 ramp

primary

#37519E

secondary

#BBAA76

accent

#B650D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37519E

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

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