#1C49B4#1C49B4

#1C49B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.177 H 263.5°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C49B4
RGB	rgb(28, 73, 180)
HSL	hsl(222, 73%, 41%)
HSV	hsv(222, 84%, 71%)
CMYK	cmyk(84.4%, 59.4%, 0%, 29.4%)
CIE-LAB	lab(34.61, 26.22, -60.81)
CIE-LCH	lch(34.61, 66.22, 293.32°)
OKLab	oklab(44.59% -0.0199 -0.1759)
OKLCH	oklch(44.59% 0.177 263.5)
XYZ	xyz(11.0967, 8.3059, 44.1895)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C49B4 #B4871C

analogous

#1C95B4 #1C49B4 #3B1CB4

triadic

#1C49B4 #B41C49 #49B41C

tetradic

#1C49B4 #B41C95 #B4871C #1CB43B

square

#1C49B4 #B41C95 #B4871C #1CB43B

split-complementary

#1C49B4 #B43B1C #95B41C

monochromatic

#0C1E4A #14347F #1C49B4 #2F63DF #648AE7

Accessibility & contrast

On white

7.89

#1C49B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1C49B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C49B4

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C49B4	#FFFFFF	#000000	##FFFFFF
##1C49B4	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c49b4;
/* rgb */ color: rgb(28, 73, 180);
/* oklch */ color: oklch(44.6% 0.177 263.5);

Tailwind

colors: {
  custom: {
    50: '#757bcb',
    500: '#1c49b4',
    950: '#000000',
  },
}

SCSS

$custom: #1c49b4;
$custom-light: #757bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c49b4",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 180
  },
  "hsl": {
    "h": 222.237,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.44586,
    "c": 0.17704,
    "h": 263.5
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary

#1C49B4

secondary

#CCAC60

accent

#B938F0

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1C49B4

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

Preview Lab → · Contrast checker → · Palette generator →