#545BBF#545BBF

#545BBF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.154 H 276.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#545BBF
RGB	rgb(84, 91, 191)
HSL	hsl(236, 46%, 54%)
HSV	hsv(236, 56%, 75%)
CMYK	cmyk(56%, 52.4%, 0%, 25.1%)
CIE-LAB	lab(42.95, 26.48, -53.60)
CIE-LCH	lch(42.95, 59.79, 296.29°)
OKLab	oklab(51.86% 0.0177 -0.1533)
OKLCH	oklch(51.86% 0.154 276.6)
XYZ	xyz(16.7982, 13.1274, 50.9288)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545BBF #BFB854

analogous

#5491BF #545BBF #8354BF

triadic

#545BBF #BF545B #5BBF54

tetradic

#545BBF #BF5491 #BFB854 #54BF83

square

#545BBF #BF5491 #BFB854 #54BF83

split-complementary

#545BBF #BF8354 #91BF54

monochromatic

#2A2E6F #3A419C #545BBF #8186D0 #ADB0E0

Accessibility & contrast

On white

5.79

#545BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#545BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545BBF

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545BBF	#FFFFFF	#000000	##FFFFFF
##545BBF	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236AC3

Deuteranopia (green-blind)

#0C61BD

Tritanopia (blue-blind)

#1A7284

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #545bbf;
/* rgb */ color: rgb(84, 91, 191);
/* oklch */ color: oklch(51.9% 0.154 276.6);

Tailwind

colors: {
  custom: {
    50: '#8d89d3',
    500: '#545bbf',
    950: '#000000',
  },
}

SCSS

$custom: #545bbf;
$custom-light: #8d89d3;
$custom-dark: #000000;

JSON

{
  "hex": "#545bbf",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 236.075,
    "s": 45.532,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51858,
    "c": 0.15432,
    "h": 276.6
  },
  "luminance": 0.13129
}

Semantic roles & 50–950 ramp

primary

#545BBF

secondary

#CECBA1

accent

#CD53D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #545BBF

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

Preview Lab → · Contrast checker → · Palette generator →