#3543AC#3543AC

#3543AC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.167 H 271.8°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3543AC
RGB	rgb(53, 67, 172)
HSL	hsl(233, 53%, 44%)
HSV	hsv(233, 69%, 67%)
CMYK	cmyk(69.2%, 61%, 0%, 32.5%)
CIE-LAB	lab(33.45, 29.90, -57.90)
CIE-LCH	lch(33.45, 65.17, 297.31°)
OKLab	oklab(43.81% 0.0052 -0.167)
OKLCH	oklch(43.81% 0.167 271.8)
XYZ	xyz(10.9192, 7.7487, 39.9419)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3543AC #AC9E35

analogous

#357FAC #3543AC #6335AC

triadic

#3543AC #AC3543 #43AC35

tetradic

#3543AC #AC357F #AC9E35 #35AC63

square

#3543AC #AC357F #AC9E35 #35AC63

split-complementary

#3543AC #AC6335 #7FAC35

monochromatic

#181F4E #27317D #3543AC #5462CA #838DD9

Accessibility & contrast

On white

8.24

#3543AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3543AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543AC

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3543AC	#FFFFFF	#000000	##FFFFFF
##3543AC	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3543ac;
/* rgb */ color: rgb(53, 67, 172);
/* oklch */ color: oklch(43.8% 0.167 271.8);

Tailwind

colors: {
  custom: {
    50: '#7c77c6',
    500: '#3543ac',
    950: '#000000',
  },
}

SCSS

$custom: #3543ac;
$custom-light: #7c77c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3543ac",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 172
  },
  "hsl": {
    "h": 232.941,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43812,
    "c": 0.16707,
    "h": 271.8
  },
  "luminance": 0.0775
}

Semantic roles & 50–950 ramp

primary

#3543AC

secondary

#C2BA7B

accent

#CB4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3543AC

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

Preview Lab → · Contrast checker → · Palette generator →