#3338B8#3338B8

#3338B8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.9% C 0.196 H 272.8°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#3338B8
RGB	rgb(51, 56, 184)
HSL	hsl(238, 57%, 46%)
HSV	hsv(238, 72%, 72%)
CMYK	cmyk(72.3%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(31.79, 40.80, -67.77)
CIE-LCH	lch(31.79, 79.10, 301.05°)
OKLab	oklab(42.89% 0.0097 -0.196)
OKLCH	oklch(42.89% 0.196 272.8)
XYZ	xyz(11.4282, 6.9917, 46.0854)
Luminance	0.0699 (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

#3338B8 #B8B333

analogous

#337AB8 #3338B8 #7033B8

triadic

#3338B8 #B83338 #38B833

tetradic

#3338B8 #B8337A #B8B333 #33B870

square

#3338B8 #B8337A #B8B333 #33B870

split-complementary

#3338B8 #B87033 #7AB833

monochromatic

#181B58 #262988 #3338B8 #585CD1 #888BDE

Accessibility & contrast

On white

8.76

#3338B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3338B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3338B8

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3338B8	#FFFFFF	#000000	##FFFFFF
##3338B8	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3338b8;
/* rgb */ color: rgb(51, 56, 184);
/* oklch */ color: oklch(42.9% 0.196 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e6fce',
    500: '#3338b8',
    950: '#000000',
  },
}

SCSS

$custom: #3338b8;
$custom-light: #7e6fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3338b8",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 237.744,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4289,
    "c": 0.19623,
    "h": 272.8
  },
  "luminance": 0.06993
}

Semantic roles & 50–950 ramp

primary

#3338B8

secondary

#C8C57F

accent

#DA48E0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3338B8

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

Preview Lab → · Contrast checker → · Palette generator →