#3548B7#3548B7

#3548B7 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.176 H 270.4°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3548B7
RGB	rgb(53, 72, 183)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 72%)
CMYK	cmyk(71%, 60.7%, 0%, 28.2%)
CIE-LAB	lab(35.61, 30.63, -60.91)
CIE-LCH	lch(35.61, 68.18, 296.70°)
OKLab	oklab(45.69% 0.0012 -0.1757)
OKLCH	oklch(45.69% 0.176 270.4)
XYZ	xyz(12.3299, 8.8093, 45.8411)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548B7 #B7A435

analogous

#3589B7 #3548B7 #6335B7

triadic

#3548B7 #B73548 #48B735

tetradic

#3548B7 #B73589 #B7A435 #35B763

square

#3548B7 #B73589 #B7A435 #35B763

split-complementary

#3548B7 #B76335 #89B735

monochromatic

#1A2358 #273588 #3548B7 #5A6BCF #8996DD

Accessibility & contrast

On white

7.60

#3548B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3548B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548B7

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548B7	#FFFFFF	#000000	##FFFFFF
##3548B7	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABB

Deuteranopia (green-blind)

#004EB5

Tritanopia (blue-blind)

#006478

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3548b7;
/* rgb */ color: rgb(53, 72, 183);
/* oklch */ color: oklch(45.7% 0.176 270.4);

Tailwind

colors: {
  custom: {
    50: '#7e7acd',
    500: '#3548b7',
    950: '#000000',
  },
}

SCSS

$custom: #3548b7;
$custom-light: #7e7acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3548b7",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 183
  },
  "hsl": {
    "h": 231.231,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45691,
    "c": 0.17575,
    "h": 270.4
  },
  "luminance": 0.08811
}

Semantic roles & 50–950 ramp

primary

#3548B7

secondary

#C7BD81

accent

#C949DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3548B7

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

Preview Lab → · Contrast checker → · Palette generator →