#2453BB#2453BB

#2453BB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.172 H 263.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2453BB
RGB	rgb(36, 83, 187)
HSL	hsl(221, 68%, 44%)
HSV	hsv(221, 81%, 73%)
CMYK	cmyk(80.7%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(38.11, 22.98, -59.23)
CIE-LCH	lch(38.11, 63.54, 291.21°)
OKLab	oklab(47.46% -0.0207 -0.171)
OKLCH	oklch(47.46% 0.172 263.1)
XYZ	xyz(12.7872, 10.1479, 48.2889)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2453BB #BB8C24

analogous

#249EBB #2453BB #4124BB

triadic

#2453BB #BB2453 #53BB24

tetradic

#2453BB #BB249E #BB8C24 #24BB41

square

#2453BB #BB249E #BB8C24 #24BB41

split-complementary

#2453BB #BB4124 #9EBB24

monochromatic

#102554 #1A3C88 #2453BB #4271DB #7598E4

Accessibility & contrast

On white

6.93

#2453BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2453BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2453BB

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2453BB	#FFFFFF	#000000	##FFFFFF
##2453BB	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2453bb;
/* rgb */ color: rgb(36, 83, 187);
/* oklch */ color: oklch(47.5% 0.172 263.1);

Tailwind

colors: {
  custom: {
    50: '#7882d0',
    500: '#2453bb',
    950: '#000000',
  },
}

SCSS

$custom: #2453bb;
$custom-light: #7882d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2453bb",
  "rgb": {
    "r": 36,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 221.325,
    "s": 67.713,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47459,
    "c": 0.17222,
    "h": 263.1
  },
  "luminance": 0.10149
}

Semantic roles & 50–950 ramp

primary

#2453BB

secondary

#CCAF6F

accent

#B53DEB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2453BB

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

Preview Lab → · Contrast checker → · Palette generator →