#1C49A9#1C49A9

#1C49A9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.162 H 262.7°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C49A9
RGB	rgb(28, 73, 169)
HSL	hsl(221, 72%, 39%)
HSV	hsv(221, 83%, 66%)
CMYK	cmyk(83.4%, 56.8%, 0%, 33.7%)
CIE-LAB	lab(33.72, 21.88, -55.72)
CIE-LCH	lch(33.72, 59.87, 291.44°)
OKLab	oklab(43.64% -0.0206 -0.161)
OKLCH	oklch(43.64% 0.162 262.7)
XYZ	xyz(10.0203, 7.8753, 38.5204)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C49A9 #A97C1C

analogous

#1C8FA9 #1C49A9 #351CA9

triadic

#1C49A9 #A91C49 #49A91C

tetradic

#1C49A9 #A91C8F #A97C1C #1CA935

square

#1C49A9 #A91C8F #A97C1C #1CA935

split-complementary

#1C49A9 #A9351C #8FA91C

monochromatic

#0B1C40 #133274 #1C49A9 #2761DB #5B87E4

Accessibility & contrast

On white

8.15

#1C49A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1C49A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C49A9

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C49A9	#FFFFFF	#000000	##FFFFFF
##1C49A9	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)

#0056AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1c49a9;
/* rgb */ color: rgb(28, 73, 169);
/* oklch */ color: oklch(43.6% 0.162 262.7);

Tailwind

colors: {
  custom: {
    50: '#727bc3',
    500: '#1c49a9',
    950: '#000000',
  },
}

SCSS

$custom: #1c49a9;
$custom-light: #727bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c49a9",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 169
  },
  "hsl": {
    "h": 220.851,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43639,
    "c": 0.16228,
    "h": 262.7
  },
  "luminance": 0.07877
}

Semantic roles & 50–950 ramp

primary

#1C49A9

secondary

#C8A459

accent

#B539EE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090913

muted

#7B7B82

Preview Lab

Preview with #1C49A9

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

Preview Lab → · Contrast checker → · Palette generator →