#2433A9#2433A9

#2433A9 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.187 H 269.4°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2433A9
RGB	rgb(36, 51, 169)
HSL	hsl(233, 65%, 40%)
HSV	hsv(233, 79%, 66%)
CMYK	cmyk(78.7%, 69.8%, 0%, 33.7%)
CIE-LAB	lab(28.40, 37.12, -64.43)
CIE-LCH	lch(28.40, 74.36, 299.95°)
OKLab	oklab(39.78% -0.0018 -0.1866)
OKLCH	oklch(39.78% 0.187 269.4)
XYZ	xyz(9.0704, 5.6063, 38.1325)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2433A9 #A99A24

analogous

#2475A9 #2433A9 #5724A9

triadic

#2433A9 #A92433 #33A924

tetradic

#2433A9 #A92475 #A99A24 #24A957

square

#2433A9 #A92475 #A99A24 #24A957

split-complementary

#2433A9 #A95724 #75A924

monochromatic

#0F1544 #192477 #2433A9 #3648D4 #6876DF

Accessibility & contrast

On white

9.90

#2433A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2433A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433A9

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433A9	#FFFFFF	#000000	##FFFFFF
##2433A9	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AD

Deuteranopia (green-blind)

#003DA7

Tritanopia (blue-blind)

#00546A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2433a9;
/* rgb */ color: rgb(36, 51, 169);
/* oklch */ color: oklch(39.8% 0.187 269.4);

Tailwind

colors: {
  custom: {
    50: '#766bc4',
    500: '#2433a9',
    950: '#000000',
  },
}

SCSS

$custom: #2433a9;
$custom-light: #766bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2433a9",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 169
  },
  "hsl": {
    "h": 233.233,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39782,
    "c": 0.18658,
    "h": 269.4
  },
  "luminance": 0.05607
}

Semantic roles & 50–950 ramp

primary

#2433A9

secondary

#C5BA64

accent

#D540E8

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #2433A9

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

Preview Lab → · Contrast checker → · Palette generator →