#5375BB#5375BB

#5375BB is a mid, moderate blue. Relative luminance 0.181; OKLCH L 56.9% C 0.116 H 263.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5375BB
RGB	rgb(83, 117, 187)
HSL	hsl(220, 43%, 53%)
HSV	hsv(220, 56%, 73%)
CMYK	cmyk(55.6%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(49.68, 8.73, -40.56)
CIE-LCH	lch(49.68, 41.49, 282.15°)
OKLab	oklab(56.9% -0.013 -0.1148)
OKLCH	oklch(56.9% 0.116 263.5)
XYZ	xyz(18.8952, 18.1480, 49.5113)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5375BB #BB9953

analogous

#53A9BB #5375BB #6553BB

triadic

#5375BB #BB5375 #75BB53

tetradic

#5375BB #BB53A9 #BB9953 #53BB65

square

#5375BB #BB53A9 #BB9953 #53BB65

split-complementary

#5375BB #BB6553 #A9BB53

monochromatic

#2A3F6A #3B5996 #5375BB #7F98CC #ABBBDE

Accessibility & contrast

On white

4.54

#5375BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5375BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5375BB

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5375BB	#FFFFFF	#000000	##000000
##5375BB	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#12848F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5375bb;
/* rgb */ color: rgb(83, 117, 187);
/* oklch */ color: oklch(56.9% 0.116 263.5);

Tailwind

colors: {
  custom: {
    50: '#8b9cd0',
    500: '#5375bb',
    950: '#000000',
  },
}

SCSS

$custom: #5375bb;
$custom-light: #8b9cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5375bb",
  "rgb": {
    "r": 83,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 220.385,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56898,
    "c": 0.11556,
    "h": 263.5
  },
  "luminance": 0.18149
}

Semantic roles & 50–950 ramp

primary

#5375BB

secondary

#CBBD9E

accent

#AA55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5375BB

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

Preview Lab → · Contrast checker → · Palette generator →