#2353B1#2353B1

#2353B1 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.159 H 262.0°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#2353B1
RGB	rgb(35, 83, 177)
HSL	hsl(220, 67%, 42%)
HSV	hsv(220, 80%, 69%)
CMYK	cmyk(80.2%, 53.1%, 0%, 30.6%)
CIE-LAB	lab(37.33, 18.99, -54.61)
CIE-LCH	lch(37.33, 57.82, 289.18°)
OKLab	oklab(46.63% -0.0222 -0.1574)
OKLCH	oklch(46.63% 0.159 262)
XYZ	xyz(11.7193, 9.7168, 42.8443)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2353B1 #B18123

analogous

#239AB1 #2353B1 #3A23B1

triadic

#2353B1 #B12353 #53B123

tetradic

#2353B1 #B1239A #B18123 #23B13A

square

#2353B1 #B1239A #B18123 #23B13A

split-complementary

#2353B1 #B13A23 #9AB123

monochromatic

#0F234B #193B7E #2353B1 #396FD8 #6C94E2

Accessibility & contrast

On white

7.13

#2353B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#2353B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2353B1

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2353B1	#FFFFFF	#000000	##FFFFFF
##2353B1	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C5FB4

Deuteranopia (green-blind)

#0052AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2353b1;
/* rgb */ color: rgb(35, 83, 177);
/* oklch */ color: oklch(46.6% 0.159 262.0);

Tailwind

colors: {
  custom: {
    50: '#7582c9',
    500: '#2353b1',
    950: '#000000',
  },
}

SCSS

$custom: #2353b1;
$custom-light: #7582c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2353b1",
  "rgb": {
    "r": 35,
    "g": 83,
    "b": 177
  },
  "hsl": {
    "h": 219.718,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46625,
    "c": 0.15897,
    "h": 262
  },
  "luminance": 0.09718
}

Semantic roles & 50–950 ramp

primary

#2353B1

secondary

#C8A868

accent

#B03EEA

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2353B1

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

Preview Lab → · Contrast checker → · Palette generator →