#545FB0#545FB0

#545FB0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.6% C 0.128 H 275.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#545FB0
RGB	rgb(84, 95, 176)
HSL	hsl(233, 37%, 51%)
HSV	hsv(233, 52%, 69%)
CMYK	cmyk(52.3%, 46%, 0%, 31%)
CIE-LAB	lab(43.07, 19.05, -44.66)
CIE-LCH	lch(43.07, 48.55, 293.11°)
OKLab	oklab(51.64% 0.0116 -0.127)
OKLCH	oklch(51.64% 0.128 275.2)
XYZ	xyz(15.5824, 13.2028, 42.7932)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FB0 #B0A554

analogous

#548DB0 #545FB0 #7754B0

triadic

#545FB0 #B0545F #5FB054

tetradic

#545FB0 #B0548D #B0A554 #54B077

square

#545FB0 #B0548D #B0A554 #54B077

split-complementary

#545FB0 #B07754 #8DB054

monochromatic

#2B325E #3F4888 #545FB0 #7E86C3 #A8ADD7

Accessibility & contrast

On white

5.77

#545FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#545FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FB0

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FB0	#FFFFFF	#000000	##FFFFFF
##545FB0	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6AB3

Deuteranopia (green-blind)

#3262AE

Tritanopia (blue-blind)

#2C717F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545fb0;
/* rgb */ color: rgb(84, 95, 176);
/* oklch */ color: oklch(51.6% 0.128 275.2);

Tailwind

colors: {
  custom: {
    50: '#8a8cc8',
    500: '#545fb0',
    950: '#000000',
  },
}

SCSS

$custom: #545fb0;
$custom-light: #8a8cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#545fb0",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 232.826,
    "s": 36.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51642,
    "c": 0.1275,
    "h": 275.2
  },
  "luminance": 0.13204
}

Semantic roles & 50–950 ramp

primary

#545FB0

secondary

#C4BF9C

accent

#BF5BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545FB0

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

Preview Lab → · Contrast checker → · Palette generator →