#2453B0#2453B0

#2453B0 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.157 H 262.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#2453B0
RGB	rgb(36, 83, 176)
HSL	hsl(220, 66%, 42%)
HSV	hsv(220, 80%, 69%)
CMYK	cmyk(79.5%, 52.8%, 0%, 31%)
CIE-LAB	lab(37.29, 18.71, -54.08)
CIE-LCH	lch(37.29, 57.23, 289.08°)
OKLab	oklab(46.58% -0.0217 -0.1558)
OKLCH	oklch(46.58% 0.157 262.1)
XYZ	xyz(11.6545, 9.6948, 42.3229)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2453B0 #B08124

analogous

#2499B0 #2453B0 #3B24B0

triadic

#2453B0 #B02453 #53B024

tetradic

#2453B0 #B02499 #B08124 #24B03B

square

#2453B0 #B02499 #B08124 #24B03B

split-complementary

#2453B0 #B03B24 #99B024

monochromatic

#0F234A #1A3B7D #2453B0 #3A6FD7 #6D94E1

Accessibility & contrast

On white

7.14

#2453B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2453B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2453B0

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2453B0	#FFFFFF	#000000	##FFFFFF
##2453B0	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5EB3

Deuteranopia (green-blind)

#0052AE

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2453b0;
/* rgb */ color: rgb(36, 83, 176);
/* oklch */ color: oklch(46.6% 0.157 262.1);

Tailwind

colors: {
  custom: {
    50: '#7582c8',
    500: '#2453b0',
    950: '#000000',
  },
}

SCSS

$custom: #2453b0;
$custom-light: #7582c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2453b0",
  "rgb": {
    "r": 36,
    "g": 83,
    "b": 176
  },
  "hsl": {
    "h": 219.857,
    "s": 66.038,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46581,
    "c": 0.15734,
    "h": 262.1
  },
  "luminance": 0.09696
}

Semantic roles & 50–950 ramp

primary

#2453B0

secondary

#C8A868

accent

#B03FE9

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2453B0

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

Preview Lab → · Contrast checker → · Palette generator →