#545DB1#545DB1

#545DB1 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.132 H 276.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#545DB1
RGB	rgb(84, 93, 177)
HSL	hsl(234, 37%, 51%)
HSV	hsv(234, 53%, 69%)
CMYK	cmyk(52.5%, 47.5%, 0%, 30.6%)
CIE-LAB	lab(42.59, 20.64, -46.01)
CIE-LCH	lch(42.59, 50.42, 294.16°)
OKLab	oklab(51.3% 0.014 -0.1309)
OKLCH	oklch(51.3% 0.132 276.1)
XYZ	xyz(15.5038, 12.8869, 43.2569)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545DB1 #B1A854

analogous

#548BB1 #545DB1 #7954B1

triadic

#545DB1 #B1545D #5DB154

tetradic

#545DB1 #B1548B #B1A854 #54B179

square

#545DB1 #B1548B #B1A854 #54B179

split-complementary

#545DB1 #B17954 #8BB154

monochromatic

#2B305F #3F4689 #545DB1 #7E85C4 #A8ADD7

Accessibility & contrast

On white

5.87

#545DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#545DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545DB1

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545DB1	#FFFFFF	#000000	##FFFFFF
##545DB1	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3768B4

Deuteranopia (green-blind)

#2D61AF

Tritanopia (blue-blind)

#2B6F7E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545db1;
/* rgb */ color: rgb(84, 93, 177);
/* oklch */ color: oklch(51.3% 0.132 276.1);

Tailwind

colors: {
  custom: {
    50: '#8b8ac9',
    500: '#545db1',
    950: '#000000',
  },
}

SCSS

$custom: #545db1;
$custom-light: #8b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#545db1",
  "rgb": {
    "r": 84,
    "g": 93,
    "b": 177
  },
  "hsl": {
    "h": 234.194,
    "s": 37.349,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51301,
    "c": 0.1317,
    "h": 276.1
  },
  "luminance": 0.12888
}

Semantic roles & 50–950 ramp

primary

#545DB1

secondary

#C5C19C

accent

#C25ACD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #545DB1

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

Preview Lab → · Contrast checker → · Palette generator →