#37477E#37477E

#37477E is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.3% C 0.094 H 269.7°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#37477E
RGB	rgb(55, 71, 126)
HSL	hsl(226, 39%, 35%)
HSV	hsv(226, 56%, 49%)
CMYK	cmyk(56.3%, 43.7%, 0%, 50.6%)
CIE-LAB	lab(31.40, 11.02, -33.18)
CIE-LCH	lch(31.40, 34.96, 288.37°)
OKLab	oklab(41.26% -0.0005 -0.0942)
OKLCH	oklch(41.26% 0.094 269.7)
XYZ	xyz(7.5934, 6.8245, 20.6517)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37477E #7E6E37

analogous

#376A7E #37477E #4A377E

triadic

#37477E #7E3747 #477E37

tetradic

#37477E #7E376A #7E6E37 #377E4A

square

#37477E #7E376A #7E6E37 #377E4A

split-complementary

#37477E #7E4A37 #6A7E37

monochromatic

#121729 #242F53 #37477E #4A5FA9 #6F81C0

Accessibility & contrast

On white

8.88

#37477E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#37477E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37477E

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37477E	#FFFFFF	#000000	##FFFFFF
##37477E	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304D80

Deuteranopia (green-blind)

#27477D

Tritanopia (blue-blind)

#12535C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37477e;
/* rgb */ color: rgb(55, 71, 126);
/* oklch */ color: oklch(41.3% 0.094 269.7);

Tailwind

colors: {
  custom: {
    50: '#7379a4',
    500: '#37477e',
    950: '#000000',
  },
}

SCSS

$custom: #37477e;
$custom-light: #7379a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37477e",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 126
  },
  "hsl": {
    "h": 226.479,
    "s": 39.227,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41262,
    "c": 0.09421,
    "h": 269.7
  },
  "luminance": 0.06825
}

Semantic roles & 50–950 ramp

primary

#37477E

secondary

#A99A68

accent

#B459CF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #37477E

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

Preview Lab → · Contrast checker → · Palette generator →