#1C49B3#1C49B3

#1C49B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.176 H 263.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C49B3
RGB	rgb(28, 73, 179)
HSL	hsl(222, 73%, 41%)
HSV	hsv(222, 84%, 70%)
CMYK	cmyk(84.4%, 59.2%, 0%, 29.8%)
CIE-LAB	lab(34.53, 25.83, -60.36)
CIE-LCH	lch(34.53, 65.65, 293.17°)
OKLab	oklab(44.5% -0.02 -0.1746)
OKLCH	oklch(44.5% 0.176 263.5)
XYZ	xyz(10.9952, 8.2653, 43.6549)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C49B3 #B3861C

analogous

#1C94B3 #1C49B3 #3A1CB3

triadic

#1C49B3 #B31C49 #49B31C

tetradic

#1C49B3 #B31C94 #B3861C #1CB33A

square

#1C49B3 #B31C94 #B3861C #1CB33A

split-complementary

#1C49B3 #B33A1C #94B31C

monochromatic

#0B1E49 #14337E #1C49B3 #2E62DE #638AE7

Accessibility & contrast

On white

7.91

#1C49B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#1C49B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C49B3

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C49B3	#FFFFFF	#000000	##FFFFFF
##1C49B3	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c49b3;
/* rgb */ color: rgb(28, 73, 179);
/* oklch */ color: oklch(44.5% 0.176 263.5);

Tailwind

colors: {
  custom: {
    50: '#747bcb',
    500: '#1c49b3',
    950: '#000000',
  },
}

SCSS

$custom: #1c49b3;
$custom-light: #747bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c49b3",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 179
  },
  "hsl": {
    "h": 222.119,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44499,
    "c": 0.17571,
    "h": 263.5
  },
  "luminance": 0.08267
}

Semantic roles & 50–950 ramp

primary

#1C49B3

secondary

#CBAB5F

accent

#B938F0

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1C49B3

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

Preview Lab → · Contrast checker → · Palette generator →