#545FB1#545FB1

#545FB1 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.129 H 275.2°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#545FB1
RGB	rgb(84, 95, 177)
HSL	hsl(233, 37%, 51%)
HSV	hsv(233, 53%, 69%)
CMYK	cmyk(52.5%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(43.13, 19.38, -45.15)
CIE-LCH	lch(43.13, 49.13, 293.23°)
OKLab	oklab(51.71% 0.0117 -0.1284)
OKLCH	oklch(51.71% 0.129 275.2)
XYZ	xyz(15.6817, 13.2426, 43.3162)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545FB1 #B1A654

analogous

#548DB1 #545FB1 #7754B1

triadic

#545FB1 #B1545F #5FB154

tetradic

#545FB1 #B1548D #B1A654 #54B177

square

#545FB1 #B1548D #B1A654 #54B177

split-complementary

#545FB1 #B17754 #8DB154

monochromatic

#2B325F #3F4789 #545FB1 #7E86C4 #A8AED7

Accessibility & contrast

On white

5.76

#545FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#545FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545FB1

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545FB1	#FFFFFF	#000000	##FFFFFF
##545FB1	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6AB4

Deuteranopia (green-blind)

#3162AF

Tritanopia (blue-blind)

#2B717F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #545fb1;
/* rgb */ color: rgb(84, 95, 177);
/* oklch */ color: oklch(51.7% 0.129 275.2);

Tailwind

colors: {
  custom: {
    50: '#8a8cc9',
    500: '#545fb1',
    950: '#000000',
  },
}

SCSS

$custom: #545fb1;
$custom-light: #8a8cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#545fb1",
  "rgb": {
    "r": 84,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 232.903,
    "s": 37.349,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51706,
    "c": 0.12896,
    "h": 275.2
  },
  "luminance": 0.13244
}

Semantic roles & 50–950 ramp

primary

#545FB1

secondary

#C5C09C

accent

#C05ACD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #545FB1

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

Preview Lab → · Contrast checker → · Palette generator →