#1C46B3#1C46B3

#1C46B3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.179 H 264.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C46B3
RGB	rgb(28, 70, 179)
HSL	hsl(223, 73%, 41%)
HSV	hsv(223, 84%, 70%)
CMYK	cmyk(84.4%, 60.9%, 0%, 29.8%)
CIE-LAB	lab(33.73, 27.83, -61.66)
CIE-LCH	lch(33.73, 67.65, 294.29°)
OKLab	oklab(43.9% -0.0183 -0.1784)
OKLCH	oklch(43.9% 0.179 264.1)
XYZ	xyz(10.8028, 7.8805, 43.5908)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C46B3 #B3891C

analogous

#1C91B3 #1C46B3 #3D1CB3

triadic

#1C46B3 #B31C46 #46B31C

tetradic

#1C46B3 #B31C91 #B3891C #1CB33D

square

#1C46B3 #B31C91 #B3891C #1CB33D

split-complementary

#1C46B3 #B33D1C #91B31C

monochromatic

#0B1D49 #14317E #1C46B3 #2E5FDE #6387E7

Accessibility & contrast

On white

8.15

#1C46B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1C46B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C46B3

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C46B3	#FFFFFF	#000000	##FFFFFF
##1C46B3	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c46b3;
/* rgb */ color: rgb(28, 70, 179);
/* oklch */ color: oklch(43.9% 0.179 264.1);

Tailwind

colors: {
  custom: {
    50: '#7579cb',
    500: '#1c46b3',
    950: '#000000',
  },
}

SCSS

$custom: #1c46b3;
$custom-light: #7579cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c46b3",
  "rgb": {
    "r": 28,
    "g": 70,
    "b": 179
  },
  "hsl": {
    "h": 223.311,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43903,
    "c": 0.17936,
    "h": 264.1
  },
  "luminance": 0.07882
}

Semantic roles & 50–950 ramp

primary

#1C46B3

secondary

#CBAD5F

accent

#BD38F0

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1C46B3

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

Preview Lab → · Contrast checker → · Palette generator →