#2453CB#2453CB

#2453CB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.8% C 0.193 H 264.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#2453CB
RGB	rgb(36, 83, 203)
HSL	hsl(223, 70%, 47%)
HSV	hsv(223, 82%, 80%)
CMYK	cmyk(82.3%, 59.1%, 0%, 20.4%)
CIE-LAB	lab(39.36, 29.12, -66.50)
CIE-LCH	lch(39.36, 72.60, 293.65°)
OKLab	oklab(48.8% -0.0198 -0.1923)
OKLCH	oklch(48.8% 0.193 264.1)
XYZ	xyz(14.5965, 10.8716, 57.8175)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2453CB #CB9C24

analogous

#24A6CB #2453CB #4924CB

triadic

#2453CB #CB2453 #53CB24

tetradic

#2453CB #CB24A6 #CB9C24 #24CB49

square

#2453CB #CB24A6 #CB9C24 #24CB49

split-complementary

#2453CB #CB4924 #A6CB24

monochromatic

#122863 #1B3E97 #2453CB #4D76DF #819EE9

Accessibility & contrast

On white

6.62

#2453CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#2453CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2453CB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2453CB	#FFFFFF	#000000	##FFFFFF
##2453CB	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#0055C9

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2453cb;
/* rgb */ color: rgb(36, 83, 203);
/* oklch */ color: oklch(48.8% 0.193 264.1);

Tailwind

colors: {
  custom: {
    50: '#7c82dc',
    500: '#2453cb',
    950: '#000000',
  },
}

SCSS

$custom: #2453cb;
$custom-light: #7c82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#2453cb",
  "rgb": {
    "r": 36,
    "g": 83,
    "b": 203
  },
  "hsl": {
    "h": 223.114,
    "s": 69.874,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48796,
    "c": 0.19334,
    "h": 264.1
  },
  "luminance": 0.10873
}

Semantic roles & 50–950 ramp

primary

#2453CB

secondary

#D1B97A

accent

#BB3BED

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0B0A15

muted

#7C7C83

Preview Lab

Preview with #2453CB

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

Preview Lab → · Contrast checker → · Palette generator →