#333C8E#333C8E

#333C8E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.135 H 273.9°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#333C8E
RGB	rgb(51, 60, 142)
HSL	hsl(234, 47%, 38%)
HSV	hsv(234, 64%, 56%)
CMYK	cmyk(64.1%, 57.7%, 0%, 44.3%)
CIE-LAB	lab(29.13, 23.34, -46.76)
CIE-LCH	lch(29.13, 52.26, 296.52°)
OKLab	oklab(39.82% 0.0091 -0.1344)
OKLCH	oklch(39.82% 0.135 273.9)
XYZ	xyz(7.8620, 5.8879, 26.3081)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C8E #8E8533

analogous

#33698E #333C8E #57338E

triadic

#333C8E #8E333C #3C8E33

tetradic

#333C8E #8E3369 #8E8533 #338E57

square

#333C8E #8E3369 #8E8533 #338E57

split-complementary

#333C8E #8E5733 #698E33

monochromatic

#131634 #232961 #333C8E #434FBB #7079CC

Accessibility & contrast

On white

9.64

#333C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#333C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C8E

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C8E	#FFFFFF	#000000	##FFFFFF
##333C8E	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004991

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #333c8e;
/* rgb */ color: rgb(51, 60, 142);
/* oklch */ color: oklch(39.8% 0.135 273.9);

Tailwind

colors: {
  custom: {
    50: '#7571b0',
    500: '#333c8e',
    950: '#000000',
  },
}

SCSS

$custom: #333c8e;
$custom-light: #7571b0;
$custom-dark: #000000;

JSON

{
  "hex": "#333c8e",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 142
  },
  "hsl": {
    "h": 234.066,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39817,
    "c": 0.13466,
    "h": 273.9
  },
  "luminance": 0.05889
}

Semantic roles & 50–950 ramp

primary

#333C8E

secondary

#B4AC69

accent

#CA51D7

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #333C8E

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

Preview Lab → · Contrast checker → · Palette generator →