#1C248D#1C248D

#1C248D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.169 H 270.1°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C248D
RGB	rgb(28, 36, 141)
HSL	hsl(236, 67%, 33%)
HSV	hsv(236, 80%, 55%)
CMYK	cmyk(80.1%, 74.5%, 0%, 44.7%)
CIE-LAB	lab(21.69, 35.68, -58.36)
CIE-LCH	lch(21.69, 68.40, 301.44°)
OKLab	oklab(33.98% 0.0004 -0.169)
OKLCH	oklch(33.98% 0.169 270.1)
XYZ	xyz(5.9158, 3.4311, 25.5446)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C248D #8D851C

analogous

#1C5C8D #1C248D #4C1C8D

triadic

#1C248D #8D1C24 #248D1C

tetradic

#1C248D #8D1C5C #8D851C #1C8D4C

square

#1C248D #8D1C5C #8D851C #1C8D4C

split-complementary

#1C248D #8D4C1C #5C8D1C

monochromatic

#080A27 #12175A #1C248D #2631C0 #4953DB

Accessibility & contrast

On white

12.45

#1C248D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C248D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C248D

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C248D	#FFFFFF	#000000	##FFFFFF
##1C248D	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c248d;
/* rgb */ color: rgb(28, 36, 141);
/* oklch */ color: oklch(34.0% 0.169 270.1);

Tailwind

colors: {
  custom: {
    50: '#6e5faf',
    500: '#1c248d',
    950: '#000000',
  },
}

SCSS

$custom: #1c248d;
$custom-light: #6e5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c248d",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 141
  },
  "hsl": {
    "h": 235.752,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3398,
    "c": 0.16903,
    "h": 270.1
  },
  "luminance": 0.03432
}

Semantic roles & 50–950 ramp

primary

#1C248D

secondary

#BDB448

accent

#DE3EEA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1C248D

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

Preview Lab → · Contrast checker → · Palette generator →