#3338AD#3338AD

#3338AD is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.8% C 0.182 H 273.4°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#3338AD
RGB	rgb(51, 56, 173)
HSL	hsl(238, 54%, 44%)
HSV	hsv(238, 71%, 68%)
CMYK	cmyk(70.5%, 67.6%, 0%, 32.2%)
CIE-LAB	lab(30.76, 37.00, -62.92)
CIE-LCH	lch(30.76, 72.99, 300.46°)
OKLab	oklab(41.83% 0.0109 -0.1818)
OKLCH	oklch(41.83% 0.182 273.4)
XYZ	xyz(10.3197, 6.5483, 40.2472)
Luminance	0.0655 (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

#3338AD #ADA833

analogous

#3375AD #3338AD #6B33AD

triadic

#3338AD #AD3338 #38AD33

tetradic

#3338AD #AD3375 #ADA833 #33AD6B

square

#3338AD #AD3375 #ADA833 #33AD6B

split-complementary

#3338AD #AD6B33 #75AD33

monochromatic

#17194E #25297E #3338AD #5156CC #8184DA

Accessibility & contrast

On white

9.09

#3338AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3338AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3338AD

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3338AD	#FFFFFF	#000000	##FFFFFF
##3338AD	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB1

Deuteranopia (green-blind)

#0043AB

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3338ad;
/* rgb */ color: rgb(51, 56, 173);
/* oklch */ color: oklch(41.8% 0.182 273.4);

Tailwind

colors: {
  custom: {
    50: '#7c6fc6',
    500: '#3338ad',
    950: '#000000',
  },
}

SCSS

$custom: #3338ad;
$custom-light: #7c6fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3338ad",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 173
  },
  "hsl": {
    "h": 237.541,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41829,
    "c": 0.18214,
    "h": 273.4
  },
  "luminance": 0.06549
}

Semantic roles & 50–950 ramp

primary

#3338AD

secondary

#C3C079

accent

#D84ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3338AD

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

Preview Lab → · Contrast checker → · Palette generator →