#1C247E#1C247E

#1C247E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.4% C 0.149 H 270.9°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C247E
RGB	rgb(28, 36, 126)
HSL	hsl(235, 64%, 30%)
HSV	hsv(235, 78%, 49%)
CMYK	cmyk(77.8%, 71.4%, 0%, 50.6%)
CIE-LAB	lab(20.10, 30.15, -51.56)
CIE-LCH	lch(20.10, 59.73, 300.32°)
OKLab	oklab(32.36% 0.0024 -0.1492)
OKLCH	oklch(32.36% 0.149 270.9)
XYZ	xyz(4.8744, 3.0145, 20.0596)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C247E #7E761C

analogous

#1C557E #1C247E #451C7E

triadic

#1C247E #7E1C24 #247E1C

tetradic

#1C247E #7E1C55 #7E761C #1C7E45

square

#1C247E #7E1C55 #7E761C #1C7E45

split-complementary

#1C247E #7E451C #557E1C

monochromatic

#06071A #11164C #1C247E #2732B0 #404CD5

Accessibility & contrast

On white

13.10

#1C247E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C247E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C247E

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C247E	#FFFFFF	#000000	##FFFFFF
##1C247E	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003581

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c247e;
/* rgb */ color: rgb(28, 36, 126);
/* oklch */ color: oklch(32.4% 0.149 270.9);

Tailwind

colors: {
  custom: {
    50: '#6a5fa4',
    500: '#1c247e',
    950: '#000000',
  },
}

SCSS

$custom: #1c247e;
$custom-light: #6a5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c247e",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 126
  },
  "hsl": {
    "h": 235.102,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.32358,
    "c": 0.14922,
    "h": 270.9
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#1C247E

secondary

#B2A944

accent

#D941E7

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C247E

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

Preview Lab → · Contrast checker → · Palette generator →