#1C148D#1C148D

#1C148D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.183 H 271.8°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C148D
RGB	rgb(28, 20, 141)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 55%)
CMYK	cmyk(80.1%, 85.8%, 0%, 44.7%)
CIE-LAB	lab(18.67, 44.37, -63.37)
CIE-LCH	lch(18.67, 77.36, 305.00°)
OKLab	oklab(31.86% 0.0056 -0.1833)
OKLCH	oklch(31.86% 0.183 271.8)
XYZ	xyz(5.5351, 2.6697, 25.4177)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C148D #858D14

analogous

#14498D #1C148D #59148D

triadic

#1C148D #8D1C14 #148D1C

tetradic

#1C148D #8D1449 #858D14 #148D59

square

#1C148D #8D1449 #858D14 #148D59

split-complementary

#1C148D #8D5914 #498D14

monochromatic

#070522 #110C57 #1C148D #271CC3 #4439E3

Accessibility & contrast

On white

13.69

#1C148D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1C148D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C148D

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C148D	#FFFFFF	#000000	##FFFFFF
##1C148D	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00278B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c148d;
/* rgb */ color: rgb(28, 20, 141);
/* oklch */ color: oklch(31.9% 0.183 271.8);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1c148d',
    950: '#000000',
  },
}

SCSS

$custom: #1c148d;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c148d",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 141
  },
  "hsl": {
    "h": 243.967,
    "s": 75.155,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31856,
    "c": 0.18343,
    "h": 271.8
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#1C148D

secondary

#B8C13C

accent

#F236E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C148D

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

Preview Lab → · Contrast checker → · Palette generator →