#37509A#37509A

#37509A is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.2% C 0.124 H 267.3°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#37509A
RGB	rgb(55, 80, 154)
HSL	hsl(225, 47%, 41%)
HSV	hsv(225, 64%, 60%)
CMYK	cmyk(64.3%, 48.1%, 0%, 39.6%)
CIE-LAB	lab(35.76, 15.10, -43.38)
CIE-LCH	lch(35.76, 45.93, 289.20°)
OKLab	oklab(45.16% -0.0059 -0.124)
OKLCH	oklch(45.16% 0.124 267.3)
XYZ	xyz(10.2749, 8.8817, 31.7385)
Luminance	0.0888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37509A #9A8137

analogous

#37819A #37509A #4F379A

triadic

#37509A #9A3750 #509A37

tetradic

#37509A #9A3781 #9A8137 #379A4F

square

#37509A #9A3781 #9A8137 #379A4F

split-complementary

#37509A #9A4F37 #819A37

monochromatic

#172140 #27396D #37509A #4E6BC0 #7B91D0

Accessibility & contrast

On white

7.56

#37509A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#37509A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37509A

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37509A	#FFFFFF	#000000	##FFFFFF
##37509A	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B599D

Deuteranopia (green-blind)

#185098

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37509a;
/* rgb */ color: rgb(55, 80, 154);
/* oklch */ color: oklch(45.2% 0.124 267.3);

Tailwind

colors: {
  custom: {
    50: '#7880b8',
    500: '#37509a',
    950: '#000000',
  },
}

SCSS

$custom: #37509a;
$custom-light: #7880b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37509a",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 154
  },
  "hsl": {
    "h": 224.848,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.45157,
    "c": 0.12418,
    "h": 267.3
  },
  "luminance": 0.08883
}

Semantic roles & 50–950 ramp

primary

#37509A

secondary

#B9A874

accent

#B551D7

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #37509A

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

Preview Lab → · Contrast checker → · Palette generator →