#2433A1#2433A1

#2433A1 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.176 H 269.7°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#2433A1
RGB	rgb(36, 51, 161)
HSL	hsl(233, 63%, 39%)
HSV	hsv(233, 78%, 63%)
CMYK	cmyk(77.6%, 68.3%, 0%, 36.9%)
CIE-LAB	lab(27.61, 34.21, -60.88)
CIE-LCH	lch(27.61, 69.84, 299.33°)
OKLab	oklab(38.98% -0.0011 -0.1762)
OKLCH	oklch(38.98% 0.176 269.7)
XYZ	xyz(8.3422, 5.3150, 34.2975)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2433A1 #A19224

analogous

#2471A1 #2433A1 #5324A1

triadic

#2433A1 #A12433 #33A124

tetradic

#2433A1 #A12471 #A19224 #24A153

square

#2433A1 #A12471 #A19224 #24A153

split-complementary

#2433A1 #A15324 #71A124

monochromatic

#0E133D #19236F #2433A1 #3144D1 #6372DC

Accessibility & contrast

On white

10.18

#2433A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2433A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2433A1

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2433A1	#FFFFFF	#000000	##FFFFFF
##2433A1	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003B9F

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2433a1;
/* rgb */ color: rgb(36, 51, 161);
/* oklch */ color: oklch(39.0% 0.176 269.7);

Tailwind

colors: {
  custom: {
    50: '#746bbe',
    500: '#2433a1',
    950: '#000000',
  },
}

SCSS

$custom: #2433a1;
$custom-light: #746bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2433a1",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 161
  },
  "hsl": {
    "h": 232.8,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38978,
    "c": 0.17622,
    "h": 269.7
  },
  "luminance": 0.05316
}

Semantic roles & 50–950 ramp

primary

#2433A1

secondary

#C2B65F

accent

#D341E6

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2433A1

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

Preview Lab → · Contrast checker → · Palette generator →