#37477B#37477B

#37477B is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.1% C 0.090 H 269.3°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#37477B
RGB	rgb(55, 71, 123)
HSL	hsl(226, 38%, 35%)
HSV	hsv(226, 55%, 48%)
CMYK	cmyk(55.3%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(31.23, 9.97, -31.59)
CIE-LCH	lch(31.23, 33.13, 287.51°)
OKLab	oklab(41.07% -0.0011 -0.0896)
OKLCH	oklch(41.07% 0.09 269.3)
XYZ	xyz(7.4028, 6.7482, 19.6475)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37477B #7B6B37

analogous

#37697B #37477B #49377B

triadic

#37477B #7B3747 #477B37

tetradic

#37477B #7B3769 #7B6B37 #377B49

square

#37477B #7B3769 #7B6B37 #377B49

split-complementary

#37477B #7B4937 #697B37

monochromatic

#111626 #242F51 #37477B #4A5FA5 #6E81BE

Accessibility & contrast

On white

8.94

#37477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#37477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37477B

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37477B	#FFFFFF	#000000	##FFFFFF
##37477B	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7D

Deuteranopia (green-blind)

#2A477A

Tritanopia (blue-blind)

#15525B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #37477b;
/* rgb */ color: rgb(55, 71, 123);
/* oklch */ color: oklch(41.1% 0.090 269.3);

Tailwind

colors: {
  custom: {
    50: '#7379a1',
    500: '#37477b',
    950: '#000000',
  },
}

SCSS

$custom: #37477b;
$custom-light: #7379a1;
$custom-dark: #000000;

JSON

{
  "hex": "#37477b",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 225.882,
    "s": 38.202,
    "l": 34.902
  },
  "oklch": {
    "l": 0.41068,
    "c": 0.08957,
    "h": 269.3
  },
  "luminance": 0.06749
}

Semantic roles & 50–950 ramp

primary

#37477B

secondary

#A79867

accent

#B35ACE

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #37477B

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

Preview Lab → · Contrast checker → · Palette generator →