#545B91#545B91

#545B91 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.9% C 0.087 H 277.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#545B91
RGB	rgb(84, 91, 145)
HSL	hsl(233, 27%, 45%)
HSV	hsv(233, 42%, 57%)
CMYK	cmyk(42.1%, 37.2%, 0%, 43.1%)
CIE-LAB	lab(40.26, 11.80, -30.67)
CIE-LCH	lch(40.26, 32.86, 291.04°)
OKLab	oklab(48.94% 0.0107 -0.0861)
OKLCH	oklch(48.94% 0.087 277.1)
XYZ	xyz(12.5066, 11.4108, 28.3261)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#545B91 #918A54

analogous

#547991 #545B91 #6C5491

triadic

#545B91 #91545B #5B9154

tetradic

#545B91 #915479 #918A54 #54916C

square

#545B91 #915479 #918A54 #54916C

split-complementary

#545B91 #916C54 #799154

monochromatic

#272A43 #3E436A #545B91 #747BAE #9B9FC5

Accessibility & contrast

On white

6.40

#545B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#545B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #545B91

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##545B91	#FFFFFF	#000000	##FFFFFF
##545B91	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486193

Deuteranopia (green-blind)

#445D90

Tritanopia (blue-blind)

#41666F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #545b91;
/* rgb */ color: rgb(84, 91, 145);
/* oklch */ color: oklch(48.9% 0.087 277.1);

Tailwind

colors: {
  custom: {
    50: '#8789b1',
    500: '#545b91',
    950: '#000000',
  },
}

SCSS

$custom: #545b91;
$custom-light: #8789b1;
$custom-dark: #000000;

JSON

{
  "hex": "#545b91",
  "rgb": {
    "r": 84,
    "g": 91,
    "b": 145
  },
  "hsl": {
    "h": 233.115,
    "s": 26.638,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48943,
    "c": 0.08678,
    "h": 277.1
  },
  "luminance": 0.11411
}

Semantic roles & 50–950 ramp

primary

#545B91

secondary

#B2AE8F

accent

#B865C3

background

#F8F8FA

surface

#F0F0F5

border

#CBCBCF

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #545B91

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

Preview Lab → · Contrast checker → · Palette generator →