#37477C#37477C

#37477C is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.1% C 0.091 H 269.4°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#37477C
RGB	rgb(55, 71, 124)
HSL	hsl(226, 39%, 35%)
HSV	hsv(226, 56%, 49%)
CMYK	cmyk(55.6%, 42.7%, 0%, 51.4%)
CIE-LAB	lab(31.29, 10.32, -32.12)
CIE-LCH	lch(31.29, 33.74, 287.80°)
OKLab	oklab(41.13% -0.0009 -0.0911)
OKLCH	oklch(41.13% 0.091 269.4)
XYZ	xyz(7.4657, 6.7734, 19.9789)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37477C #7C6C37

analogous

#37697C #37477C #4A377C

triadic

#37477C #7C3747 #477C37

tetradic

#37477C #7C3769 #7C6C37 #377C4A

square

#37477C #7C3769 #7C6C37 #377C4A

split-complementary

#37477C #7C4A37 #697C37

monochromatic

#111627 #242F52 #37477C #4A5FA6 #6E81BF

Accessibility & contrast

On white

8.92

#37477C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#37477C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37477C

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37477C	#FFFFFF	#000000	##FFFFFF
##37477C	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7E

Deuteranopia (green-blind)

#29477B

Tritanopia (blue-blind)

#14525B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37477c;
/* rgb */ color: rgb(55, 71, 124);
/* oklch */ color: oklch(41.1% 0.091 269.4);

Tailwind

colors: {
  custom: {
    50: '#7379a2',
    500: '#37477c',
    950: '#000000',
  },
}

SCSS

$custom: #37477c;
$custom-light: #7379a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37477c",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 124
  },
  "hsl": {
    "h": 226.087,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41132,
    "c": 0.09112,
    "h": 269.4
  },
  "luminance": 0.06774
}

Semantic roles & 50–950 ramp

primary

#37477C

secondary

#A89967

accent

#B359CE

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #37477C

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

Preview Lab → · Contrast checker → · Palette generator →