#1C52B4#1C52B4

#1C52B4 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.4% C 0.166 H 261.2°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C52B4
RGB	rgb(28, 82, 180)
HSL	hsl(219, 73%, 41%)
HSV	hsv(219, 84%, 71%)
CMYK	cmyk(84.4%, 54.4%, 0%, 29.4%)
CIE-LAB	lab(37.07, 20.20, -56.81)
CIE-LCH	lch(37.07, 60.30, 289.57°)
OKLab	oklab(46.44% -0.0254 -0.164)
OKLCH	oklch(46.44% 0.166 261.2)
XYZ	xyz(11.7314, 9.5753, 44.4011)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C52B4 #B47E1C

analogous

#1C9EB4 #1C52B4 #321CB4

triadic

#1C52B4 #B41C52 #52B41C

tetradic

#1C52B4 #B41C9E #B47E1C #1CB432

square

#1C52B4 #B41C9E #B47E1C #1CB432

split-complementary

#1C52B4 #B4321C #9EB41C

monochromatic

#0C224A #143A7F #1C52B4 #2F6DDF #6492E7

Accessibility & contrast

On white

7.20

#1C52B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1C52B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C52B4

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C52B4	#FFFFFF	#000000	##FFFFFF
##1C52B4	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB7

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1c52b4;
/* rgb */ color: rgb(28, 82, 180);
/* oklch */ color: oklch(46.4% 0.166 261.2);

Tailwind

colors: {
  custom: {
    50: '#7481cb',
    500: '#1c52b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c52b4;
$custom-light: #7481cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c52b4",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 180
  },
  "hsl": {
    "h": 218.684,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4644,
    "c": 0.16596,
    "h": 261.2
  },
  "luminance": 0.09577
}

Semantic roles & 50–950 ramp

primary

#1C52B4

secondary

#CCA560

accent

#AE38F0

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1C52B4

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

Preview Lab → · Contrast checker → · Palette generator →