#37459C#37459C

#37459C is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.142 H 272.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#37459C
RGB	rgb(55, 69, 156)
HSL	hsl(232, 48%, 41%)
HSV	hsv(232, 65%, 61%)
CMYK	cmyk(64.7%, 55.8%, 0%, 38.8%)
CIE-LAB	lab(32.85, 23.12, -49.27)
CIE-LCH	lch(32.85, 54.42, 295.14°)
OKLab	oklab(43% 0.0054 -0.1415)
OKLCH	oklch(43% 0.142 272.2)
XYZ	xyz(9.7024, 7.4679, 32.3762)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37459C #9C8E37

analogous

#37789C #37459C #5C379C

triadic

#37459C #9C3745 #459C37

tetradic

#37459C #9C3778 #9C8E37 #379C5C

square

#37459C #9C3778 #9C8E37 #379C5C

split-complementary

#37459C #9C5C37 #789C37

monochromatic

#171D42 #27316F #37459C #4F5FC1 #7C88D1

Accessibility & contrast

On white

8.42

#37459C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#37459C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37459C

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37459C	#FFFFFF	#000000	##FFFFFF
##37459C	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01529F

Deuteranopia (green-blind)

#00499A

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #37459c;
/* rgb */ color: rgb(55, 69, 156);
/* oklch */ color: oklch(43.0% 0.142 272.2);

Tailwind

colors: {
  custom: {
    50: '#7978ba',
    500: '#37459c',
    950: '#000000',
  },
}

SCSS

$custom: #37459c;
$custom-light: #7978ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37459c",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 156
  },
  "hsl": {
    "h": 231.683,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43002,
    "c": 0.14163,
    "h": 272.2
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary

#37459C

secondary

#BAB075

accent

#C550D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #37459C

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

Preview Lab → · Contrast checker → · Palette generator →