#333CA5#333CA5

#333CA5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.167 H 273.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#333CA5
RGB	rgb(51, 60, 165)
HSL	hsl(235, 53%, 42%)
HSV	hsv(235, 69%, 65%)
CMYK	cmyk(69.1%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(31.00, 31.64, -57.72)
CIE-LCH	lch(31.00, 65.82, 298.73°)
OKLab	oklab(41.79% 0.0087 -0.1666)
OKLCH	oklch(41.79% 0.167 273)
XYZ	xyz(9.7704, 6.6512, 36.3589)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CA5 #A59C33

analogous

#3375A5 #333CA5 #6333A5

triadic

#333CA5 #A5333C #3CA533

tetradic

#333CA5 #A53375 #A59C33 #33A563

square

#333CA5 #A53375 #A59C33 #33A563

split-complementary

#333CA5 #A56333 #75A533

monochromatic

#161A48 #252B76 #333CA5 #4D57C8 #7C83D6

Accessibility & contrast

On white

9.01

#333CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#333CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CA5

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CA5	#FFFFFF	#000000	##FFFFFF
##333CA5	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0044A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ca5;
/* rgb */ color: rgb(51, 60, 165);
/* oklch */ color: oklch(41.8% 0.167 273.0);

Tailwind

colors: {
  custom: {
    50: '#7a72c1',
    500: '#333ca5',
    950: '#000000',
  },
}

SCSS

$custom: #333ca5;
$custom-light: #7a72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#333ca5",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 235.263,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41788,
    "c": 0.16679,
    "h": 273
  },
  "luminance": 0.06652
}

Semantic roles & 50–950 ramp

primary

#333CA5

secondary

#BFB975

accent

#D14CDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333CA5

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

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