#333BAF#333BAF

#333BAF is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.5% C 0.181 H 272.8°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#333BAF
RGB	rgb(51, 59, 175)
HSL	hsl(236, 55%, 44%)
HSV	hsv(236, 71%, 69%)
CMYK	cmyk(70.9%, 66.3%, 0%, 31.4%)
CIE-LAB	lab(31.64, 35.83, -62.67)
CIE-LCH	lch(31.64, 72.19, 299.75°)
OKLab	oklab(42.53% 0.0087 -0.1811)
OKLCH	oklch(42.53% 0.181 272.8)
XYZ	xyz(10.6645, 6.9258, 41.3239)
Luminance	0.0693 (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

#333BAF #AFA733

analogous

#3379AF #333BAF #6933AF

triadic

#333BAF #AF333B #3BAF33

tetradic

#333BAF #AF3379 #AFA733 #33AF69

square

#333BAF #AF3379 #AFA733 #33AF69

split-complementary

#333BAF #AF6933 #79AF33

monochromatic

#171B50 #252B80 #333BAF #525ACD #8288DB

Accessibility & contrast

On white

8.80

#333BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#333BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BAF

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BAF	#FFFFFF	#000000	##FFFFFF
##333BAF	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B3

Deuteranopia (green-blind)

#0045AD

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333baf;
/* rgb */ color: rgb(51, 59, 175);
/* oklch */ color: oklch(42.5% 0.181 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c71c8',
    500: '#333baf',
    950: '#000000',
  },
}

SCSS

$custom: #333baf;
$custom-light: #7c71c8;
$custom-dark: #000000;

JSON

{
  "hex": "#333baf",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 175
  },
  "hsl": {
    "h": 236.129,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42526,
    "c": 0.18128,
    "h": 272.8
  },
  "luminance": 0.06927
}

Semantic roles & 50–950 ramp

primary

#333BAF

secondary

#C4BF7A

accent

#D54ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BAF

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

Preview Lab → · Contrast checker → · Palette generator →