#2433BC#2433BC

#2433BC is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.8% C 0.210 H 268.9°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2433BC
RGB	rgb(36, 51, 188)
HSL	hsl(234, 68%, 44%)
HSV	hsv(234, 81%, 74%)
CMYK	cmyk(80.9%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(30.33, 43.84, -72.56)
CIE-LCH	lch(30.33, 84.78, 301.14°)
OKLab	oklab(41.76% -0.004 -0.2102)
OKLCH	oklch(41.76% 0.21 268.9)
XYZ	xyz(10.9854, 6.3723, 48.2182)
Luminance	0.0637 (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

#2433BC #BCAD24

analogous

#247FBC #2433BC #6124BC

triadic

#2433BC #BC2433 #33BC24

tetradic

#2433BC #BC247F #BCAD24 #24BC61

square

#2433BC #BC247F #BCAD24 #24BC61

split-complementary

#2433BC #BC6124 #7FBC24

monochromatic

#101755 #1A2589 #2433BC #4251DB #7681E5

Accessibility & contrast

On white

9.23

#2433BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2433BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433BC

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433BC	#FFFFFF	#000000	##FFFFFF
##2433BC	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0040BA

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2433bc;
/* rgb */ color: rgb(36, 51, 188);
/* oklch */ color: oklch(41.8% 0.210 268.9);

Tailwind

colors: {
  custom: {
    50: '#7b6cd1',
    500: '#2433bc',
    950: '#000000',
  },
}

SCSS

$custom: #2433bc;
$custom-light: #7b6cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2433bc",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 234.079,
    "s": 67.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41755,
    "c": 0.21028,
    "h": 268.9
  },
  "luminance": 0.06374
}

Semantic roles & 50–950 ramp

primary

#2433BC

secondary

#CCC370

accent

#DA3DEB

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2433BC

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

Preview Lab → · Contrast checker → · Palette generator →