#37408C#37408C

#37408C is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.7% C 0.125 H 274.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#37408C
RGB	rgb(55, 64, 140)
HSL	hsl(234, 44%, 38%)
HSV	hsv(234, 61%, 55%)
CMYK	cmyk(60.7%, 54.3%, 0%, 45.1%)
CIE-LAB	lab(30.33, 20.70, -43.57)
CIE-LCH	lch(30.33, 48.23, 295.41°)
OKLab	oklab(40.74% 0.0095 -0.1248)
OKLCH	oklch(40.74% 0.125 274.4)
XYZ	xyz(8.1410, 6.3718, 25.6067)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37408C #8C8337

analogous

#376A8C #37408C #58378C

triadic

#37408C #8C3740 #408C37

tetradic

#37408C #8C376A #8C8337 #378C58

square

#37408C #8C376A #8C8337 #378C58

split-complementary

#37408C #8C5837 #6A8C37

monochromatic

#141834 #262C60 #37408C #4954B7 #757EC9

Accessibility & contrast

On white

9.23

#37408C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#37408C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37408C

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37408C	#FFFFFF	#000000	##FFFFFF
##37408C	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124B8F

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#00525F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #37408c;
/* rgb */ color: rgb(55, 64, 140);
/* oklch */ color: oklch(40.7% 0.125 274.4);

Tailwind

colors: {
  custom: {
    50: '#7674ae',
    500: '#37408c',
    950: '#000000',
  },
}

SCSS

$custom: #37408c;
$custom-light: #7674ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37408c",
  "rgb": {
    "r": 55,
    "g": 64,
    "b": 140
  },
  "hsl": {
    "h": 233.647,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40743,
    "c": 0.12517,
    "h": 274.4
  },
  "luminance": 0.06372
}

Semantic roles & 50–950 ramp

primary

#37408C

secondary

#B1AA6D

accent

#C654D3

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37408C

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

Preview Lab → · Contrast checker → · Palette generator →