#2533BD#2533BD

#2533BD is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 41.9% C 0.211 H 269.1°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#2533BD
RGB	rgb(37, 51, 189)
HSL	hsl(234, 67%, 44%)
HSV	hsv(234, 80%, 74%)
CMYK	cmyk(80.4%, 73%, 0%, 25.9%)
CIE-LAB	lab(30.48, 44.26, -72.90)
CIE-LCH	lch(30.48, 85.29, 301.26°)
OKLab	oklab(41.9% -0.0032 -0.2112)
OKLCH	oklch(41.9% 0.211 269.1)
XYZ	xyz(11.1289, 6.4338, 48.7896)
Luminance	0.0644 (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

#2533BD #BDAF25

analogous

#257FBD #2533BD #6325BD

triadic

#2533BD #BD2533 #33BD25

tetradic

#2533BD #BD257F #BDAF25 #25BD63

square

#2533BD #BD257F #BDAF25 #25BD63

split-complementary

#2533BD #BD6325 #7FBD25

monochromatic

#111757 #1B258A #2533BD #4552DB #7882E5

Accessibility & contrast

On white

9.18

#2533BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2533BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2533BD

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2533BD	#FFFFFF	#000000	##FFFFFF
##2533BD	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC1

Deuteranopia (green-blind)

#0040BB

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2533bd;
/* rgb */ color: rgb(37, 51, 189);
/* oklch */ color: oklch(41.9% 0.211 269.1);

Tailwind

colors: {
  custom: {
    50: '#7b6cd2',
    500: '#2533bd',
    950: '#000000',
  },
}

SCSS

$custom: #2533bd;
$custom-light: #7b6cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2533bd",
  "rgb": {
    "r": 37,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 234.474,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41904,
    "c": 0.21124,
    "h": 269.1
  },
  "luminance": 0.06435
}

Semantic roles & 50–950 ramp

primary

#2533BD

secondary

#CCC472

accent

#DA3EEA

background

#F8F6FD

surface

#EFEBFA

border

#CAC6D3

text

#0B0714

muted

#7C7A83

Preview Lab

Preview with #2533BD

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

Preview Lab → · Contrast checker → · Palette generator →