#37417C#37417C

#37417C is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.8% C 0.100 H 273.8°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#37417C
RGB	rgb(55, 65, 124)
HSL	hsl(231, 39%, 35%)
HSV	hsv(231, 56%, 49%)
CMYK	cmyk(55.6%, 47.6%, 0%, 51.4%)
CIE-LAB	lab(29.53, 14.34, -34.92)
CIE-LCH	lch(29.53, 37.75, 292.33°)
OKLab	oklab(39.79% 0.0066 -0.0994)
OKLCH	oklch(39.79% 0.1 273.8)
XYZ	xyz(7.1028, 6.0476, 19.8579)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37417C #7C7237

analogous

#37647C #37417C #4F377C

triadic

#37417C #7C3741 #417C37

tetradic

#37417C #7C3764 #7C7237 #377C4F

square

#37417C #7C3764 #7C7237 #377C4F

split-complementary

#37417C #7C4F37 #647C37

monochromatic

#111527 #242B52 #37417C #4A57A6 #6E7ABF

Accessibility & contrast

On white

9.50

#37417C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#37417C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37417C

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37417C	#FFFFFF	#000000	##FFFFFF
##37417C	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27497E

Deuteranopia (green-blind)

#1F437B

Tritanopia (blue-blind)

#164E58

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #37417c;
/* rgb */ color: rgb(55, 65, 124);
/* oklch */ color: oklch(39.8% 0.100 273.8);

Tailwind

colors: {
  custom: {
    50: '#7375a2',
    500: '#37417c',
    950: '#000000',
  },
}

SCSS

$custom: #37417c;
$custom-light: #7375a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37417c",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 124
  },
  "hsl": {
    "h": 231.304,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.39791,
    "c": 0.09959,
    "h": 273.8
  },
  "luminance": 0.06048
}

Semantic roles & 50–950 ramp

primary

#37417C

secondary

#A89E67

accent

#BD59CE

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #37417C

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

Preview Lab → · Contrast checker → · Palette generator →