#37259B#37259B

#37259B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.179 H 280.3°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#37259B
RGB	rgb(55, 37, 155)
HSL	hsl(249, 61%, 38%)
HSV	hsv(249, 76%, 61%)
CMYK	cmyk(64.5%, 76.1%, 0%, 39.2%)
CIE-LAB	lab(25.26, 42.64, -61.05)
CIE-LCH	lch(25.26, 74.47, 304.93°)
OKLab	oklab(37.45% 0.0319 -0.1762)
OKLCH	oklch(37.45% 0.179 280.3)
XYZ	xyz(8.1516, 4.5013, 31.4433)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37259B #899B25

analogous

#254E9B #37259B #72259B

triadic

#37259B #9B3725 #259B37

tetradic

#37259B #9B254E #899B25 #259B72

square

#37259B #9B254E #899B25 #259B72

split-complementary

#37259B #9B7225 #4E9B25

monochromatic

#140D38 #25196A #37259B #4931CC #7361D9

Accessibility & contrast

On white

11.05

#37259B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#37259B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37259B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37259B	#FFFFFF	#000000	##FFFFFF
##37259B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37259b;
/* rgb */ color: rgb(55, 37, 155);
/* oklch */ color: oklch(37.4% 0.179 280.3);

Tailwind

colors: {
  custom: {
    50: '#7b62ba',
    500: '#37259b',
    950: '#000000',
  },
}

SCSS

$custom: #37259b;
$custom-light: #7b62ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37259b",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 155
  },
  "hsl": {
    "h": 249.153,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37445,
    "c": 0.17905,
    "h": 280.3
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#37259B

secondary

#B0BF5D

accent

#E543CC

background

#F8F5FB

surface

#EFEAF6

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #37259B

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

Preview Lab → · Contrast checker → · Palette generator →