#1C247C#1C247C

#1C247C is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.146 H 271.0°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C247C
RGB	rgb(28, 36, 124)
HSL	hsl(235, 63%, 30%)
HSV	hsv(235, 77%, 49%)
CMYK	cmyk(77.4%, 71%, 0%, 51.4%)
CIE-LAB	lab(19.90, 29.40, -50.62)
CIE-LCH	lch(19.90, 58.54, 300.15°)
OKLab	oklab(32.15% 0.0026 -0.1465)
OKLCH	oklch(32.15% 0.147 271)
XYZ	xyz(4.7466, 2.9634, 19.3867)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C247C #7C741C

analogous

#1C547C #1C247C #441C7C

triadic

#1C247C #7C1C24 #247C1C

tetradic

#1C247C #7C1C54 #7C741C #1C7C44

square

#1C247C #7C1C54 #7C741C #1C7C44

split-complementary

#1C247C #7C441C #547C1C

monochromatic

#060719 #11164A #1C247C #2732AE #3F4BD4

Accessibility & contrast

On white

13.18

#1C247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1C247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C247C

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C247C	#FFFFFF	#000000	##FFFFFF
##1C247C	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357F

Deuteranopia (green-blind)

#002C7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c247c;
/* rgb */ color: rgb(28, 36, 124);
/* oklch */ color: oklch(32.1% 0.146 271.0);

Tailwind

colors: {
  custom: {
    50: '#695fa3',
    500: '#1c247c',
    950: '#000000',
  },
}

SCSS

$custom: #1c247c;
$custom-light: #695fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c247c",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 235,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.32147,
    "c": 0.1465,
    "h": 271
  },
  "luminance": 0.02964
}

Semantic roles & 50–950 ramp

primary

#1C247C

secondary

#B0A744

accent

#D842E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C247C

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

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