#2433B0#2433B0

#2433B0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.195 H 269.3°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2433B0
RGB	rgb(36, 51, 176)
HSL	hsl(234, 66%, 42%)
HSV	hsv(234, 80%, 69%)
CMYK	cmyk(79.5%, 71%, 0%, 31%)
CIE-LAB	lab(29.10, 39.63, -67.47)
CIE-LCH	lch(29.10, 78.25, 300.43°)
OKLab	oklab(40.5% -0.0026 -0.1954)
OKLCH	oklch(40.5% 0.195 269.3)
XYZ	xyz(9.7452, 5.8762, 41.6865)
Luminance	0.0588 (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

#2433B0 #B0A124

analogous

#2479B0 #2433B0 #5B24B0

triadic

#2433B0 #B02433 #33B024

tetradic

#2433B0 #B02479 #B0A124 #24B05B

square

#2433B0 #B02479 #B0A124 #24B05B

split-complementary

#2433B0 #B05B24 #79B024

monochromatic

#0F164A #1A247D #2433B0 #3A4BD7 #6D7AE1

Accessibility & contrast

On white

9.65

#2433B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2433B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433B0

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433B0	#FFFFFF	#000000	##FFFFFF
##2433B0	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB4

Deuteranopia (green-blind)

#003EAE

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2433b0;
/* rgb */ color: rgb(36, 51, 176);
/* oklch */ color: oklch(40.5% 0.195 269.3);

Tailwind

colors: {
  custom: {
    50: '#786bc9',
    500: '#2433b0',
    950: '#000000',
  },
}

SCSS

$custom: #2433b0;
$custom-light: #786bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2433b0",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 176
  },
  "hsl": {
    "h": 233.571,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40499,
    "c": 0.19545,
    "h": 269.3
  },
  "luminance": 0.05877
}

Semantic roles & 50–950 ramp

primary

#2433B0

secondary

#C8BD68

accent

#D73FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2433B0

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

Preview Lab → · Contrast checker → · Palette generator →