#3543AF#3543AF

#3543AF is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.171 H 271.7°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3543AF
RGB	rgb(53, 67, 175)
HSL	hsl(233, 54%, 45%)
HSV	hsv(233, 70%, 69%)
CMYK	cmyk(69.7%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(33.70, 30.98, -59.29)
CIE-LCH	lch(33.70, 66.90, 297.59°)
OKLab	oklab(44.07% 0.0051 -0.171)
OKLCH	oklch(44.07% 0.171 271.7)
XYZ	xyz(11.2106, 7.8653, 41.4765)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543AF #AFA135

analogous

#3580AF #3543AF #6435AF

triadic

#3543AF #AF3543 #43AF35

tetradic

#3543AF #AF3580 #AFA135 #35AF64

square

#3543AF #AF3580 #AFA135 #35AF64

split-complementary

#3543AF #AF6435 #80AF35

monochromatic

#191F51 #273180 #3543AF #5663CC #858EDA

Accessibility & contrast

On white

8.16

#3543AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3543AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543AF

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543AF	#FFFFFF	#000000	##FFFFFF
##3543AF	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004AAD

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3543af;
/* rgb */ color: rgb(53, 67, 175);
/* oklch */ color: oklch(44.1% 0.171 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c77c8',
    500: '#3543af',
    950: '#000000',
  },
}

SCSS

$custom: #3543af;
$custom-light: #7c77c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3543af",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 233.115,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44071,
    "c": 0.17113,
    "h": 271.7
  },
  "luminance": 0.07866
}

Semantic roles & 50–950 ramp

primary

#3543AF

secondary

#C4BB7C

accent

#CC4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3543AF

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

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