#3545A0#3545A0

#3545A0 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.148 H 271.3°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3545A0
RGB	rgb(53, 69, 160)
HSL	hsl(231, 50%, 42%)
HSV	hsv(231, 67%, 63%)
CMYK	cmyk(66.9%, 56.9%, 0%, 37.3%)
CIE-LAB	lab(33.03, 24.24, -51.40)
CIE-LCH	lch(33.03, 56.83, 295.24°)
OKLab	oklab(43.2% 0.0034 -0.1478)
OKLCH	oklch(43.2% 0.148 271.3)
XYZ	xyz(9.9393, 7.5503, 34.1844)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545A0 #A09035

analogous

#357BA0 #3545A0 #5B35A0

triadic

#3545A0 #A03545 #45A035

tetradic

#3545A0 #A0357B #A09035 #35A05B

square

#3545A0 #A0357B #A09035 #35A05B

split-complementary

#3545A0 #A05B35 #7BA035

monochromatic

#171D44 #263172 #3545A0 #4E60C4 #7C89D4

Accessibility & contrast

On white

8.37

#3545A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3545A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545A0

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545A0	#FFFFFF	#000000	##FFFFFF
##3545A0	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A3

Deuteranopia (green-blind)

#00499E

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3545a0;
/* rgb */ color: rgb(53, 69, 160);
/* oklch */ color: oklch(43.2% 0.148 271.3);

Tailwind

colors: {
  custom: {
    50: '#7978bd',
    500: '#3545a0',
    950: '#000000',
  },
}

SCSS

$custom: #3545a0;
$custom-light: #7978bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3545a0",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 160
  },
  "hsl": {
    "h": 231.028,
    "s": 50.235,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43198,
    "c": 0.14789,
    "h": 271.3
  },
  "luminance": 0.07551
}

Semantic roles & 50–950 ramp

primary

#3545A0

secondary

#BCB274

accent

#C54EDA

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3545A0

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

Preview Lab → · Contrast checker → · Palette generator →