#1C148C#1C148C

#1C148C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.7% C 0.182 H 271.9°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C148C
RGB	rgb(28, 20, 140)
HSL	hsl(244, 75%, 31%)
HSV	hsv(244, 86%, 55%)
CMYK	cmyk(80%, 85.7%, 0%, 45.1%)
CIE-LAB	lab(18.54, 44.06, -62.96)
CIE-LCH	lch(18.54, 76.84, 304.98°)
OKLab	oklab(31.73% 0.0059 -0.1821)
OKLCH	oklch(31.73% 0.182 271.9)
XYZ	xyz(5.4611, 2.6400, 25.0276)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C148C #848C14

analogous

#14488C #1C148C #58148C

triadic

#1C148C #8C1C14 #148C1C

tetradic

#1C148C #8C1448 #848C14 #148C58

square

#1C148C #8C1448 #848C14 #148C58

split-complementary

#1C148C #8C5814 #488C14

monochromatic

#070521 #110C56 #1C148C #271CC2 #4338E3

Accessibility & contrast

On white

13.74

#1C148C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1C148C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C148C

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C148C	#FFFFFF	#000000	##FFFFFF
##1C148C	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c148c;
/* rgb */ color: rgb(28, 20, 140);
/* oklch */ color: oklch(31.7% 0.182 271.9);

Tailwind

colors: {
  custom: {
    50: '#6f56af',
    500: '#1c148c',
    950: '#000000',
  },
}

SCSS

$custom: #1c148c;
$custom-light: #6f56af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c148c",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 140
  },
  "hsl": {
    "h": 244,
    "s": 75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3173,
    "c": 0.18225,
    "h": 271.9
  },
  "luminance": 0.02641
}

Semantic roles & 50–950 ramp

primary

#1C148C

secondary

#B7C03C

accent

#F236E5

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C148C

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

Preview Lab → · Contrast checker → · Palette generator →