#2433B1#2433B1

#2433B1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.197 H 269.2°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2433B1
RGB	rgb(36, 51, 177)
HSL	hsl(234, 66%, 42%)
HSV	hsv(234, 80%, 69%)
CMYK	cmyk(79.7%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(29.20, 39.99, -67.90)
CIE-LCH	lch(29.20, 78.80, 300.50°)
OKLab	oklab(40.6% -0.0027 -0.1967)
OKLCH	oklch(40.6% 0.197 269.2)
XYZ	xyz(9.8445, 5.9159, 42.2095)
Luminance	0.0592 (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

#2433B1 #B1A224

analogous

#247AB1 #2433B1 #5C24B1

triadic

#2433B1 #B12433 #33B124

tetradic

#2433B1 #B1247A #B1A224 #24B15C

square

#2433B1 #B1247A #B1A224 #24B15C

split-complementary

#2433B1 #B15C24 #7AB124

monochromatic

#0F164B #1A247E #2433B1 #3B4CD7 #6E7AE1

Accessibility & contrast

On white

9.62

#2433B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2433B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433B1

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433B1	#FFFFFF	#000000	##FFFFFF
##2433B1	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#003EAF

Tritanopia (blue-blind)

#00576E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2433b1;
/* rgb */ color: rgb(36, 51, 177);
/* oklch */ color: oklch(40.6% 0.197 269.2);

Tailwind

colors: {
  custom: {
    50: '#786bca',
    500: '#2433b1',
    950: '#000000',
  },
}

SCSS

$custom: #2433b1;
$custom-light: #786bca;
$custom-dark: #000000;

JSON

{
  "hex": "#2433b1",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 233.617,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40603,
    "c": 0.1967,
    "h": 269.2
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#2433B1

secondary

#C8BE69

accent

#D73FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2433B1

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

Preview Lab → · Contrast checker → · Palette generator →