#333EAF#333EAF

#333EAF is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.178 H 272.1°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#333EAF
RGB	rgb(51, 62, 175)
HSL	hsl(235, 55%, 44%)
HSV	hsv(235, 71%, 69%)
CMYK	cmyk(70.9%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(32.35, 33.93, -61.50)
CIE-LCH	lch(32.35, 70.23, 298.88°)
OKLab	oklab(43.05% 0.0067 -0.1776)
OKLCH	oklch(43.05% 0.178 272.1)
XYZ	xyz(10.8231, 7.2431, 41.3768)
Luminance	0.0724 (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

#333EAF #AFA433

analogous

#337CAF #333EAF #6633AF

triadic

#333EAF #AF333E #3EAF33

tetradic

#333EAF #AF337C #AFA433 #33AF66

square

#333EAF #AF337C #AFA433 #33AF66

split-complementary

#333EAF #AF6633 #7CAF33

monochromatic

#171C50 #252D80 #333EAF #525DCD #828ADB

Accessibility & contrast

On white

8.58

#333EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#333EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EAF

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EAF	#FFFFFF	#000000	##FFFFFF
##333EAF	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0046AD

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #333eaf;
/* rgb */ color: rgb(51, 62, 175);
/* oklch */ color: oklch(43.0% 0.178 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c73c8',
    500: '#333eaf',
    950: '#000000',
  },
}

SCSS

$custom: #333eaf;
$custom-light: #7c73c8;
$custom-dark: #000000;

JSON

{
  "hex": "#333eaf",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 234.677,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4305,
    "c": 0.17773,
    "h": 272.1
  },
  "luminance": 0.07244
}

Semantic roles & 50–950 ramp

primary

#333EAF

secondary

#C4BD7A

accent

#D14ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #333EAF

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

Preview Lab → · Contrast checker → · Palette generator →