#37538E#37538E

#37538E is a mid, moderate blue. Relative luminance 0.090; OKLCH L 45.0% C 0.103 H 263.6°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#37538E
RGB	rgb(55, 83, 142)
HSL	hsl(221, 44%, 39%)
HSV	hsv(221, 61%, 56%)
CMYK	cmyk(61.3%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(35.89, 8.78, -35.89)
CIE-LCH	lch(35.89, 36.95, 283.75°)
OKLab	oklab(45.02% -0.0114 -0.102)
OKLCH	oklch(45.02% 0.103 263.6)
XYZ	xyz(9.5496, 8.9509, 26.8104)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37538E #8E7237

analogous

#377E8E #37538E #46378E

triadic

#37538E #8E3753 #538E37

tetradic

#37538E #8E377E #8E7237 #378E46

square

#37538E #8E377E #8E7237 #378E46

split-complementary

#37538E #8E4637 #7E8E37

monochromatic

#151F36 #263962 #37538E #496DB9 #7691CA

Accessibility & contrast

On white

7.53

#37538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#37538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37538E

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37538E	#FFFFFF	#000000	##FFFFFF
##37538E	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395990

Deuteranopia (green-blind)

#2E518D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37538e;
/* rgb */ color: rgb(55, 83, 142);
/* oklch */ color: oklch(45.0% 0.103 263.6);

Tailwind

colors: {
  custom: {
    50: '#7683af',
    500: '#37538e',
    950: '#000000',
  },
}

SCSS

$custom: #37538e;
$custom-light: #7683af;
$custom-dark: #000000;

JSON

{
  "hex": "#37538e",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 220.69,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.45021,
    "c": 0.10265,
    "h": 263.6
  },
  "luminance": 0.08952
}

Semantic roles & 50–950 ramp

primary

#37538E

secondary

#B39D6E

accent

#AB54D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37538E

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

Preview Lab → · Contrast checker → · Palette generator →