#333ABB#333ABB

#333ABB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.198 H 272.4°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#333ABB
RGB	rgb(51, 58, 187)
HSL	hsl(237, 57%, 47%)
HSV	hsv(237, 73%, 73%)
CMYK	cmyk(72.7%, 69%, 0%, 26.7%)
CIE-LAB	lab(32.52, 40.62, -68.34)
CIE-LCH	lch(32.52, 79.51, 300.73°)
OKLab	oklab(43.5% 0.0081 -0.1977)
OKLCH	oklch(43.5% 0.198 272.4)
XYZ	xyz(11.8449, 7.3166, 47.7921)
Luminance	0.0732 (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

#333ABB #BBB433

analogous

#337EBB #333ABB #7033BB

triadic

#333ABB #BB333A #3ABB33

tetradic

#333ABB #BB337E #BBB433 #33BB70

square

#333ABB #BB337E #BBB433 #33BB70

split-complementary

#333ABB #BB7033 #7EBB33

monochromatic

#191C5B #262B8B #333ABB #5960D2 #898EDF

Accessibility & contrast

On white

8.52

#333ABB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#333ABB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333ABB

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333ABB	#FFFFFF	#000000	##FFFFFF
##333ABB	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0046B9

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #333abb;
/* rgb */ color: rgb(51, 58, 187);
/* oklch */ color: oklch(43.5% 0.198 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f71d1',
    500: '#333abb',
    950: '#000000',
  },
}

SCSS

$custom: #333abb;
$custom-light: #7f71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#333abb",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 187
  },
  "hsl": {
    "h": 236.912,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43502,
    "c": 0.19783,
    "h": 272.4
  },
  "luminance": 0.07318
}

Semantic roles & 50–950 ramp

primary

#333ABB

secondary

#C9C581

accent

#D947E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #333ABB

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

Preview Lab → · Contrast checker → · Palette generator →