#3338B4#3338B4

#3338B4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.5% C 0.191 H 273.0°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#3338B4
RGB	rgb(51, 56, 180)
HSL	hsl(238, 56%, 45%)
HSV	hsv(238, 72%, 71%)
CMYK	cmyk(71.7%, 68.9%, 0%, 29.4%)
CIE-LAB	lab(31.41, 39.43, -66.02)
CIE-LCH	lch(31.41, 76.90, 300.84°)
OKLab	oklab(42.5% 0.0102 -0.1909)
OKLCH	oklch(42.5% 0.191 273)
XYZ	xyz(11.0149, 6.8264, 43.9083)
Luminance	0.0683 (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

#3338B4 #B4AF33

analogous

#3379B4 #3338B4 #6E33B4

triadic

#3338B4 #B43338 #38B433

tetradic

#3338B4 #B43379 #B4AF33 #33B46E

square

#3338B4 #B43379 #B4AF33 #33B46E

split-complementary

#3338B4 #B46E33 #79B433

monochromatic

#181A55 #252984 #3338B4 #555ACF #8588DC

Accessibility & contrast

On white

8.88

#3338B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3338B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3338B4

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3338B4	#FFFFFF	#000000	##FFFFFF
##3338B4	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B8

Deuteranopia (green-blind)

#0044B2

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3338b4;
/* rgb */ color: rgb(51, 56, 180);
/* oklch */ color: oklch(42.5% 0.191 273.0);

Tailwind

colors: {
  custom: {
    50: '#7d6fcc',
    500: '#3338b4',
    950: '#000000',
  },
}

SCSS

$custom: #3338b4;
$custom-light: #7d6fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3338b4",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 180
  },
  "hsl": {
    "h": 237.674,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.425,
    "c": 0.19115,
    "h": 273
  },
  "luminance": 0.06827
}

Semantic roles & 50–950 ramp

primary

#3338B4

secondary

#C6C37D

accent

#D949DF

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3338B4

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

Preview Lab → · Contrast checker → · Palette generator →