#1C49A1#1C49A1

#1C49A1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.151 H 261.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C49A1
RGB	rgb(28, 73, 161)
HSL	hsl(220, 70%, 37%)
HSV	hsv(220, 83%, 63%)
CMYK	cmyk(82.6%, 54.7%, 0%, 36.9%)
CIE-LAB	lab(33.10, 18.69, -51.94)
CIE-LCH	lch(33.10, 55.20, 289.80°)
OKLab	oklab(42.97% -0.0213 -0.1498)
OKLCH	oklch(42.97% 0.151 261.9)
XYZ	xyz(9.2921, 7.5840, 34.6854)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C49A1 #A1741C

analogous

#1C8CA1 #1C49A1 #311CA1

triadic

#1C49A1 #A11C49 #49A11C

tetradic

#1C49A1 #A11C8C #A1741C #1CA131

square

#1C49A1 #A11C8C #A1741C #1CA131

split-complementary

#1C49A1 #A1311C #8CA11C

monochromatic

#0A1A39 #13316D #1C49A1 #2561D5 #5685E2

Accessibility & contrast

On white

8.34

#1C49A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C49A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C49A1

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C49A1	#FFFFFF	#000000	##FFFFFF
##1C49A1	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005F6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c49a1;
/* rgb */ color: rgb(28, 73, 161);
/* oklch */ color: oklch(43.0% 0.151 261.9);

Tailwind

colors: {
  custom: {
    50: '#707bbd',
    500: '#1c49a1',
    950: '#000000',
  },
}

SCSS

$custom: #1c49a1;
$custom-light: #707bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c49a1",
  "rgb": {
    "r": 28,
    "g": 73,
    "b": 161
  },
  "hsl": {
    "h": 219.699,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42974,
    "c": 0.15133,
    "h": 261.9
  },
  "luminance": 0.07585
}

Semantic roles & 50–950 ramp

primary

#1C49A1

secondary

#C59F54

accent

#B13BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C49A1

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

Preview Lab → · Contrast checker → · Palette generator →