#37259D#37259D

#37259D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.181 H 280.0°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#37259D
RGB	rgb(55, 37, 157)
HSL	hsl(249, 62%, 38%)
HSV	hsv(249, 76%, 62%)
CMYK	cmyk(65%, 76.4%, 0%, 38.4%)
CIE-LAB	lab(25.47, 43.27, -61.94)
CIE-LCH	lch(25.47, 75.55, 304.94°)
OKLab	oklab(37.65% 0.0314 -0.1788)
OKLCH	oklch(37.65% 0.182 280)
XYZ	xyz(8.3210, 4.5690, 32.3352)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37259D #8B9D25

analogous

#254F9D #37259D #73259D

triadic

#37259D #9D3725 #259D37

tetradic

#37259D #9D254F #8B9D25 #259D73

square

#37259D #9D254F #8B9D25 #259D73

split-complementary

#37259D #9D7325 #4F9D25

monochromatic

#140E3A #26196B #37259D #4831CE #7462DA

Accessibility & contrast

On white

10.97

#37259D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#37259D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37259D

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37259D	#FFFFFF	#000000	##FFFFFF
##37259D	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37259d;
/* rgb */ color: rgb(55, 37, 157);
/* oklch */ color: oklch(37.7% 0.181 280.0);

Tailwind

colors: {
  custom: {
    50: '#7c62bb',
    500: '#37259d',
    950: '#000000',
  },
}

SCSS

$custom: #37259d;
$custom-light: #7c62bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37259d",
  "rgb": {
    "r": 55,
    "g": 37,
    "b": 157
  },
  "hsl": {
    "h": 249,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37652,
    "c": 0.1815,
    "h": 280
  },
  "luminance": 0.0457
}

Semantic roles & 50–950 ramp

primary

#37259D

secondary

#B1BF5E

accent

#E543CD

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #37259D

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

Preview Lab → · Contrast checker → · Palette generator →