#3338B9#3338B9

#3338B9 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.0% C 0.197 H 272.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3338B9
RGB	rgb(51, 56, 185)
HSL	hsl(238, 57%, 46%)
HSV	hsv(238, 72%, 73%)
CMYK	cmyk(72.4%, 69.7%, 0%, 27.5%)
CIE-LAB	lab(31.88, 41.14, -68.20)
CIE-LCH	lch(31.88, 79.65, 301.10°)
OKLab	oklab(42.99% 0.0095 -0.1973)
OKLCH	oklch(42.99% 0.197 272.8)
XYZ	xyz(11.5334, 7.0338, 46.6394)
Luminance	0.0703 (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

#3338B9 #B9B433

analogous

#337BB9 #3338B9 #7133B9

triadic

#3338B9 #B93338 #38B933

tetradic

#3338B9 #B9337B #B9B433 #33B971

square

#3338B9 #B9337B #B9B433 #33B971

split-complementary

#3338B9 #B97133 #7BB933

monochromatic

#191B59 #262989 #3338B9 #585DD1 #888BDE

Accessibility & contrast

On white

8.72

#3338B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3338B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3338B9

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3338B9	#FFFFFF	#000000	##FFFFFF
##3338B9	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005C74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3338b9;
/* rgb */ color: rgb(51, 56, 185);
/* oklch */ color: oklch(43.0% 0.197 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f6fcf',
    500: '#3338b9',
    950: '#000000',
  },
}

SCSS

$custom: #3338b9;
$custom-light: #7f6fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3338b9",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 185
  },
  "hsl": {
    "h": 237.761,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42988,
    "c": 0.19749,
    "h": 272.8
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#3338B9

secondary

#C8C580

accent

#DA48E0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3338B9

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

Preview Lab → · Contrast checker → · Palette generator →