#3538B7#3538B7

#3538B7 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.194 H 273.6°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3538B7
RGB	rgb(53, 56, 183)
HSL	hsl(239, 55%, 46%)
HSV	hsv(239, 71%, 72%)
CMYK	cmyk(71%, 69.4%, 0%, 28.2%)
CIE-LAB	lab(31.81, 40.68, -67.13)
CIE-LCH	lch(31.81, 78.50, 301.21°)
OKLab	oklab(42.91% 0.0121 -0.1941)
OKLCH	oklch(42.91% 0.194 273.6)
XYZ	xyz(11.4268, 7.0030, 45.5401)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3538B7 #B7B435

analogous

#3579B7 #3538B7 #7335B7

triadic

#3538B7 #B73538 #38B735

tetradic

#3538B7 #B73579 #B7B435 #35B773

square

#3538B7 #B73579 #B7B435 #35B773

split-complementary

#3538B7 #B77335 #79B735

monochromatic

#1A1B58 #272988 #3538B7 #5A5DCF #898BDD

Accessibility & contrast

On white

8.75

#3538B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3538B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3538B7

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3538B7	#FFFFFF	#000000	##FFFFFF
##3538B7	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3538b7;
/* rgb */ color: rgb(53, 56, 183);
/* oklch */ color: oklch(42.9% 0.194 273.6);

Tailwind

colors: {
  custom: {
    50: '#7f6fce',
    500: '#3538b7',
    950: '#000000',
  },
}

SCSS

$custom: #3538b7;
$custom-light: #7f6fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3538b7",
  "rgb": {
    "r": 53,
    "g": 56,
    "b": 183
  },
  "hsl": {
    "h": 238.615,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42912,
    "c": 0.19445,
    "h": 273.6
  },
  "luminance": 0.07004
}

Semantic roles & 50–950 ramp

primary

#3538B7

secondary

#C7C581

accent

#DB49DE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3538B7

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

Preview Lab → · Contrast checker → · Palette generator →