#2433A8#2433A8

#2433A8 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.185 H 269.5°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2433A8
RGB	rgb(36, 51, 168)
HSL	hsl(233, 65%, 40%)
HSV	hsv(233, 79%, 66%)
CMYK	cmyk(78.6%, 69.6%, 0%, 34.1%)
CIE-LAB	lab(28.30, 36.76, -63.99)
CIE-LCH	lch(28.30, 73.80, 299.88°)
OKLab	oklab(39.68% -0.0017 -0.1853)
OKLCH	oklch(39.68% 0.185 269.5)
XYZ	xyz(8.9768, 5.5689, 37.6400)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2433A8 #A89924

analogous

#2475A8 #2433A8 #5724A8

triadic

#2433A8 #A82433 #33A824

tetradic

#2433A8 #A82475 #A89924 #24A857

square

#2433A8 #A82475 #A89924 #24A857

split-complementary

#2433A8 #A85724 #75A824

monochromatic

#0E1443 #192476 #2433A8 #3547D4 #6875DF

Accessibility & contrast

On white

9.93

#2433A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2433A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433A8

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433A8	#FFFFFF	#000000	##FFFFFF
##2433A8	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AC

Deuteranopia (green-blind)

#003CA6

Tritanopia (blue-blind)

#005369

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2433a8;
/* rgb */ color: rgb(36, 51, 168);
/* oklch */ color: oklch(39.7% 0.185 269.5);

Tailwind

colors: {
  custom: {
    50: '#766bc3',
    500: '#2433a8',
    950: '#000000',
  },
}

SCSS

$custom: #2433a8;
$custom-light: #766bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2433a8",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 168
  },
  "hsl": {
    "h": 233.182,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.39681,
    "c": 0.1853,
    "h": 269.5
  },
  "luminance": 0.0557
}

Semantic roles & 50–950 ramp

primary

#2433A8

secondary

#C4B963

accent

#D540E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2433A8

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

Preview Lab → · Contrast checker → · Palette generator →