#3547B3#3547B3

#3547B3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.172 H 270.7°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3547B3
RGB	rgb(53, 71, 179)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 70%)
CMYK	cmyk(70.4%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(35.04, 29.83, -59.48)
CIE-LCH	lch(35.04, 66.55, 296.64°)
OKLab	oklab(45.16% 0.002 -0.1716)
OKLCH	oklch(45.16% 0.172 270.7)
XYZ	xyz(11.8554, 8.5169, 43.6582)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3547B3 #B3A135

analogous

#3586B3 #3547B3 #6235B3

triadic

#3547B3 #B33547 #47B335

tetradic

#3547B3 #B33586 #B3A135 #35B362

square

#3547B3 #B33586 #B3A135 #35B362

split-complementary

#3547B3 #B36235 #86B335

monochromatic

#192255 #273484 #3547B3 #5869CD #8793DB

Accessibility & contrast

On white

7.77

#3547B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3547B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547B3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3547B3	#FFFFFF	#000000	##FFFFFF
##3547B3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3547b3;
/* rgb */ color: rgb(53, 71, 179);
/* oklch */ color: oklch(45.2% 0.172 270.7);

Tailwind

colors: {
  custom: {
    50: '#7d7acb',
    500: '#3547b3',
    950: '#000000',
  },
}

SCSS

$custom: #3547b3;
$custom-light: #7d7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3547b3",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 231.429,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45162,
    "c": 0.17159,
    "h": 270.7
  },
  "luminance": 0.08518
}

Semantic roles & 50–950 ramp

primary

#3547B3

secondary

#C5BB7F

accent

#C94ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3547B3

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

Preview Lab → · Contrast checker → · Palette generator →