#333F8D#333F8D

#333F8D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.129 H 272.7°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#333F8D
RGB	rgb(51, 63, 141)
HSL	hsl(232, 47%, 38%)
HSV	hsv(232, 64%, 55%)
CMYK	cmyk(63.8%, 55.3%, 0%, 44.7%)
CIE-LAB	lab(29.87, 20.96, -44.95)
CIE-LCH	lch(29.87, 49.60, 295.00°)
OKLab	oklab(40.35% 0.006 -0.129)
OKLCH	oklch(40.35% 0.129 272.7)
XYZ	xyz(7.9489, 6.1812, 25.9683)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333F8D #8D8133

analogous

#336C8D #333F8D #54338D

triadic

#333F8D #8D333F #3F8D33

tetradic

#333F8D #8D336C #8D8133 #338D54

square

#333F8D #8D336C #8D8133 #338D54

split-complementary

#333F8D #8D5433 #6C8D33

monochromatic

#121733 #232B60 #333F8D #4353BA #6F7CCB

Accessibility & contrast

On white

9.39

#333F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#333F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333F8D

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333F8D	#FFFFFF	#000000	##FFFFFF
##333F8D	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094A90

Deuteranopia (green-blind)

#00438B

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #333f8d;
/* rgb */ color: rgb(51, 63, 141);
/* oklch */ color: oklch(40.3% 0.129 272.7);

Tailwind

colors: {
  custom: {
    50: '#7473af',
    500: '#333f8d',
    950: '#000000',
  },
}

SCSS

$custom: #333f8d;
$custom-light: #7473af;
$custom-dark: #000000;

JSON

{
  "hex": "#333f8d",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 141
  },
  "hsl": {
    "h": 232,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40345,
    "c": 0.12914,
    "h": 272.7
  },
  "luminance": 0.06182
}

Semantic roles & 50–950 ramp

primary

#333F8D

secondary

#B3A969

accent

#C551D7

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #333F8D

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

Preview Lab → · Contrast checker → · Palette generator →