#37519F#37519F

#37519F is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.7% C 0.130 H 267.3°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#37519F
RGB	rgb(55, 81, 159)
HSL	hsl(225, 49%, 42%)
HSV	hsv(225, 65%, 62%)
CMYK	cmyk(65.4%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(36.37, 16.27, -45.40)
CIE-LCH	lch(36.37, 48.23, 289.71°)
OKLab	oklab(45.73% -0.0062 -0.13)
OKLCH	oklch(45.73% 0.13 267.3)
XYZ	xyz(10.7738, 9.1993, 34.0020)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37519F #9F8537

analogous

#37859F #37519F #51379F

triadic

#37519F #9F3751 #519F37

tetradic

#37519F #9F3785 #9F8537 #379F51

square

#37519F #9F3785 #9F8537 #379F51

split-complementary

#37519F #9F5137 #859F37

monochromatic

#182344 #273A72 #37519F #516DC3 #7E93D2

Accessibility & contrast

On white

7.39

#37519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#37519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37519F

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37519F	#FFFFFF	#000000	##FFFFFF
##37519F	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285BA2

Deuteranopia (green-blind)

#11519D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37519f;
/* rgb */ color: rgb(55, 81, 159);
/* oklch */ color: oklch(45.7% 0.130 267.3);

Tailwind

colors: {
  custom: {
    50: '#7981bc',
    500: '#37519f',
    950: '#000000',
  },
}

SCSS

$custom: #37519f;
$custom-light: #7981bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37519f",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 225,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.45727,
    "c": 0.13014,
    "h": 267.3
  },
  "luminance": 0.092
}

Semantic roles & 50–950 ramp

primary

#37519F

secondary

#BCAA76

accent

#B650D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37519F

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

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