#1C53AD#1C53AD

#1C53AD is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.1% C 0.155 H 260.0°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C53AD
RGB	rgb(28, 83, 173)
HSL	hsl(217, 72%, 39%)
HSV	hsv(217, 84%, 68%)
CMYK	cmyk(83.8%, 52%, 0%, 32.2%)
CIE-LAB	lab(36.84, 16.75, -53.05)
CIE-LCH	lch(36.84, 55.63, 287.52°)
OKLab	oklab(46.1% -0.0269 -0.1529)
OKLCH	oklch(46.1% 0.155 260)
XYZ	xyz(11.1122, 9.4491, 40.7653)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C53AD #AD761C

analogous

#1C9CAD #1C53AD #2D1CAD

triadic

#1C53AD #AD1C53 #53AD1C

tetradic

#1C53AD #AD1C9C #AD761C #1CAD2D

square

#1C53AD #AD1C9C #AD761C #1CAD2D

split-complementary

#1C53AD #AD2D1C #9CAD1C

monochromatic

#0B2044 #133A78 #1C53AD #2A6EDC #5E91E5

Accessibility & contrast

On white

7.27

#1C53AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1C53AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C53AD

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C53AD	#FFFFFF	#000000	##FFFFFF
##1C53AD	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145EB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c53ad;
/* rgb */ color: rgb(28, 83, 173);
/* oklch */ color: oklch(46.1% 0.155 260.0);

Tailwind

colors: {
  custom: {
    50: '#7282c6',
    500: '#1c53ad',
    950: '#000000',
  },
}

SCSS

$custom: #1c53ad;
$custom-light: #7282c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c53ad",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 173
  },
  "hsl": {
    "h": 217.241,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.46099,
    "c": 0.15527,
    "h": 260
  },
  "luminance": 0.09451
}

Semantic roles & 50–950 ramp

primary

#1C53AD

secondary

#C9A05C

accent

#AA39EF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1C53AD

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

Preview Lab → · Contrast checker → · Palette generator →