#333DA7#333DA7

#333DA7 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.168 H 272.7°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#333DA7
RGB	rgb(51, 61, 167)
HSL	hsl(235, 53%, 43%)
HSV	hsv(235, 69%, 65%)
CMYK	cmyk(69.5%, 63.5%, 0%, 34.5%)
CIE-LAB	lab(31.42, 31.71, -58.24)
CIE-LCH	lch(31.42, 66.31, 298.57°)
OKLab	oklab(42.15% 0.0078 -0.1681)
OKLCH	oklch(42.15% 0.168 272.7)
XYZ	xyz(10.0067, 6.8304, 37.3428)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333DA7 #A79D33

analogous

#3377A7 #333DA7 #6333A7

triadic

#333DA7 #A7333D #3DA733

tetradic

#333DA7 #A73377 #A79D33 #33A763

square

#333DA7 #A73377 #A79D33 #33A763

split-complementary

#333DA7 #A76333 #77A733

monochromatic

#161B49 #252C78 #333DA7 #4E59C9 #7D85D7

Accessibility & contrast

On white

8.87

#333DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#333DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DA7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DA7	#FFFFFF	#000000	##FFFFFF
##333DA7	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0045A5

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333da7;
/* rgb */ color: rgb(51, 61, 167);
/* oklch */ color: oklch(42.1% 0.168 272.7);

Tailwind

colors: {
  custom: {
    50: '#7a72c2',
    500: '#333da7',
    950: '#000000',
  },
}

SCSS

$custom: #333da7;
$custom-light: #7a72c2;
$custom-dark: #000000;

JSON

{
  "hex": "#333da7",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 167
  },
  "hsl": {
    "h": 234.828,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42149,
    "c": 0.16825,
    "h": 272.7
  },
  "luminance": 0.06831
}

Semantic roles & 50–950 ramp

primary

#333DA7

secondary

#C0BA76

accent

#D04BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333DA7

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

Preview Lab → · Contrast checker → · Palette generator →