#1C247A#1C247A

#1C247A is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.144 H 271.1°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C247A
RGB	rgb(28, 36, 122)
HSL	hsl(235, 63%, 29%)
HSV	hsv(235, 77%, 48%)
CMYK	cmyk(77%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(19.69, 28.64, -49.68)
CIE-LCH	lch(19.69, 57.35, 299.96°)
OKLab	oklab(31.94% 0.0029 -0.1437)
OKLCH	oklch(31.94% 0.144 271.1)
XYZ	xyz(4.6214, 2.9133, 18.7273)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C247A #7A721C

analogous

#1C537A #1C247A #431C7A

triadic

#1C247A #7A1C24 #247A1C

tetradic

#1C247A #7A1C53 #7A721C #1C7A43

square

#1C247A #7A1C53 #7A721C #1C7A43

split-complementary

#1C247A #7A431C #537A1C

monochromatic

#060719 #111548 #1C247A #2733AC #3E4AD3

Accessibility & contrast

On white

13.27

#1C247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C247A

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C247A	#FFFFFF	#000000	##FFFFFF
##1C247A	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#002B78

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c247a;
/* rgb */ color: rgb(28, 36, 122);
/* oklch */ color: oklch(31.9% 0.144 271.1);

Tailwind

colors: {
  custom: {
    50: '#685fa1',
    500: '#1c247a',
    950: '#000000',
  },
}

SCSS

$custom: #1c247a;
$custom-light: #685fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c247a",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 234.894,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31938,
    "c": 0.14376,
    "h": 271.1
  },
  "luminance": 0.02914
}

Semantic roles & 50–950 ramp

primary

#1C247A

secondary

#AEA544

accent

#D842E6

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C247A

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

Preview Lab → · Contrast checker → · Palette generator →