#1C52AD#1C52AD

#1C52AD is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.9% C 0.157 H 260.4°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C52AD
RGB	rgb(28, 82, 173)
HSL	hsl(218, 72%, 39%)
HSV	hsv(218, 84%, 68%)
CMYK	cmyk(83.8%, 52.6%, 0%, 32.2%)
CIE-LAB	lab(36.55, 17.42, -53.51)
CIE-LCH	lch(36.55, 56.28, 288.03°)
OKLab	oklab(45.88% -0.0262 -0.1543)
OKLCH	oklch(45.88% 0.157 260.4)
XYZ	xyz(11.0363, 9.2972, 40.7399)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C52AD #AD771C

analogous

#1C9BAD #1C52AD #2F1CAD

triadic

#1C52AD #AD1C52 #52AD1C

tetradic

#1C52AD #AD1C9B #AD771C #1CAD2F

square

#1C52AD #AD1C9B #AD771C #1CAD2F

split-complementary

#1C52AD #AD2F1C #9BAD1C

monochromatic

#0B2044 #133978 #1C52AD #2A6CDC #5E91E5

Accessibility & contrast

On white

7.34

#1C52AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#1C52AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C52AD

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C52AD	#FFFFFF	#000000	##FFFFFF
##1C52AD	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5DB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1c52ad;
/* rgb */ color: rgb(28, 82, 173);
/* oklch */ color: oklch(45.9% 0.157 260.4);

Tailwind

colors: {
  custom: {
    50: '#7281c6',
    500: '#1c52ad',
    950: '#000000',
  },
}

SCSS

$custom: #1c52ad;
$custom-light: #7281c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c52ad",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 173
  },
  "hsl": {
    "h": 217.655,
    "s": 72.139,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45881,
    "c": 0.1565,
    "h": 260.4
  },
  "luminance": 0.09299
}

Semantic roles & 50–950 ramp

primary

#1C52AD

secondary

#C9A05C

accent

#AB39EF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1C52AD

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

Preview Lab → · Contrast checker → · Palette generator →