#37507A#37507A

#37507A is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.1% C 0.076 H 260.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#37507A
RGB	rgb(55, 80, 122)
HSL	hsl(218, 38%, 35%)
HSV	hsv(218, 55%, 48%)
CMYK	cmyk(54.9%, 34.4%, 0%, 52.2%)
CIE-LAB	lab(33.89, 3.69, -26.77)
CIE-LCH	lch(33.89, 27.02, 277.85°)
OKLab	oklab(43.11% -0.0128 -0.0754)
OKLCH	oklch(43.11% 0.077 260.4)
XYZ	xyz(7.9559, 7.9541, 19.5246)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37507A #7A6137

analogous

#37727A #37507A #40377A

triadic

#37507A #7A3750 #507A37

tetradic

#37507A #7A3772 #7A6137 #377A40

square

#37507A #7A3772 #7A6137 #377A40

split-complementary

#37507A #7A4037 #727A37

monochromatic

#111926 #243450 #37507A #4A6CA4 #6E8CBE

Accessibility & contrast

On white

8.10

#37507A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#37507A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37507A

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37507A	#FFFFFF	#000000	##FFFFFF
##37507A	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537C

Deuteranopia (green-blind)

#374D79

Tritanopia (blue-blind)

#14595F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #37507a;
/* rgb */ color: rgb(55, 80, 122);
/* oklch */ color: oklch(43.1% 0.076 260.4);

Tailwind

colors: {
  custom: {
    50: '#7380a0',
    500: '#37507a',
    950: '#000000',
  },
}

SCSS

$custom: #37507a;
$custom-light: #7380a0;
$custom-dark: #000000;

JSON

{
  "hex": "#37507a",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 122
  },
  "hsl": {
    "h": 217.612,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.43109,
    "c": 0.0765,
    "h": 260.4
  },
  "luminance": 0.07955
}

Semantic roles & 50–950 ramp

primary

#37507A

secondary

#A68F66

accent

#A35ACE

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0F

muted

#7B7C7E

Preview Lab

Preview with #37507A

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

Preview Lab → · Contrast checker → · Palette generator →