#37529B#37529B

#37529B is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.7% C 0.123 H 266.4°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#37529B
RGB	rgb(55, 82, 155)
HSL	hsl(224, 48%, 41%)
HSV	hsv(224, 65%, 61%)
CMYK	cmyk(64.5%, 47.1%, 0%, 39.2%)
CIE-LAB	lab(36.39, 14.15, -42.96)
CIE-LCH	lch(36.39, 45.23, 288.23°)
OKLab	oklab(45.66% -0.0078 -0.1228)
OKLCH	oklch(45.66% 0.123 266.4)
XYZ	xyz(10.5072, 9.2124, 32.2284)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37529B #9B8037

analogous

#37849B #37529B #4E379B

triadic

#37529B #9B3752 #529B37

tetradic

#37529B #9B3784 #9B8037 #379B4E

square

#37529B #9B3784 #9B8037 #379B4E

split-complementary

#37529B #9B4E37 #849B37

monochromatic

#172241 #273A6E #37529B #4F6DC0 #7C93D0

Accessibility & contrast

On white

7.39

#37529B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#37529B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37529B

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37529B	#FFFFFF	#000000	##FFFFFF
##37529B	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)

#2E5A9E

Deuteranopia (green-blind)

#1C5199

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37529b;
/* rgb */ color: rgb(55, 82, 155);
/* oklch */ color: oklch(45.7% 0.123 266.4);

Tailwind

colors: {
  custom: {
    50: '#7882b9',
    500: '#37529b',
    950: '#000000',
  },
}

SCSS

$custom: #37529b;
$custom-light: #7882b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37529b",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 155
  },
  "hsl": {
    "h": 223.8,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45662,
    "c": 0.12304,
    "h": 266.4
  },
  "luminance": 0.09213
}

Semantic roles & 50–950 ramp

primary

#37529B

secondary

#BAA774

accent

#B351D7

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #37529B

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

Preview Lab → · Contrast checker → · Palette generator →