#1C247D#1C247D

#1C247D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.148 H 271.0°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C247D
RGB	rgb(28, 36, 125)
HSL	hsl(235, 63%, 30%)
HSV	hsv(235, 78%, 49%)
CMYK	cmyk(77.6%, 71.2%, 0%, 51%)
CIE-LAB	lab(20.00, 29.78, -51.09)
CIE-LCH	lch(20.00, 59.14, 300.24°)
OKLab	oklab(32.25% 0.0025 -0.1478)
OKLCH	oklch(32.25% 0.148 271)
XYZ	xyz(4.8102, 2.9888, 19.7214)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C247D #7D751C

analogous

#1C547D #1C247D #451C7D

triadic

#1C247D #7D1C24 #247D1C

tetradic

#1C247D #7D1C54 #7D751C #1C7D45

square

#1C247D #7D1C54 #7D751C #1C7D45

split-complementary

#1C247D #7D451C #547D1C

monochromatic

#060719 #11164B #1C247D #2732AF #3F4CD4

Accessibility & contrast

On white

13.14

#1C247D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C247D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C247D

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C247D	#FFFFFF	#000000	##FFFFFF
##1C247D	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002C7B

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c247d;
/* rgb */ color: rgb(28, 36, 125);
/* oklch */ color: oklch(32.3% 0.148 271.0);

Tailwind

colors: {
  custom: {
    50: '#695fa4',
    500: '#1c247d',
    950: '#000000',
  },
}

SCSS

$custom: #1c247d;
$custom-light: #695fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c247d",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 125
  },
  "hsl": {
    "h": 235.052,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.32252,
    "c": 0.14786,
    "h": 271
  },
  "luminance": 0.02989
}

Semantic roles & 50–950 ramp

primary

#1C247D

secondary

#B1A844

accent

#D941E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C247D

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

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