#37259C#37259C

#37259C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.180 H 280.1°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#37259C
RGB	rgb(55, 37, 156)
HSL	hsl(249, 62%, 38%)
HSV	hsv(249, 76%, 61%)
CMYK	cmyk(64.7%, 76.3%, 0%, 38.8%)
CIE-LAB	lab(25.37, 42.95, -61.49)
CIE-LCH	lch(25.37, 75.01, 304.93°)
OKLab	oklab(37.55% 0.0316 -0.1775)
OKLCH	oklch(37.55% 0.18 280.1)
XYZ	xyz(8.2360, 4.5350, 31.8874)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37259C #8A9C25

analogous

#254E9C #37259C #73259C

triadic

#37259C #9C3725 #259C37

tetradic

#37259C #9C254E #8A9C25 #259C73

square

#37259C #9C254E #8A9C25 #259C73

split-complementary

#37259C #9C7325 #4E9C25

monochromatic

#140E39 #26196B #37259C #4831CD #7462DA

Accessibility & contrast

On white

11.01

#37259C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#37259C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37259C

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37259C	#FFFFFF	#000000	##FFFFFF
##37259C	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37259c;
/* rgb */ color: rgb(55, 37, 156);
/* oklch */ color: oklch(37.5% 0.180 280.1);

Tailwind

colors: {
  custom: {
    50: '#7c62ba',
    500: '#37259c',
    950: '#000000',
  },
}

SCSS

$custom: #37259c;
$custom-light: #7c62ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37259c",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 156
  },
  "hsl": {
    "h": 249.076,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37549,
    "c": 0.18028,
    "h": 280.1
  },
  "luminance": 0.04536
}

Semantic roles & 50–950 ramp

primary

#37259C

secondary

#B0BF5E

accent

#E543CC

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #37259C

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

Preview Lab → · Contrast checker → · Palette generator →