#1C148E#1C148E

#1C148E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.185 H 271.7°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C148E
RGB	rgb(28, 20, 142)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 56%)
CMYK	cmyk(80.3%, 85.9%, 0%, 44.3%)
CIE-LAB	lab(18.80, 44.68, -63.78)
CIE-LCH	lch(18.80, 77.88, 305.01°)
OKLab	oklab(31.98% 0.0054 -0.1845)
OKLCH	oklch(31.98% 0.185 271.7)
XYZ	xyz(5.6099, 2.6996, 25.8113)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C148E #868E14

analogous

#14498E #1C148E #59148E

triadic

#1C148E #8E1C14 #148E1C

tetradic

#1C148E #8E1449 #868E14 #148E59

square

#1C148E #8E1449 #868E14 #148E59

split-complementary

#1C148E #8E5914 #498E14

monochromatic

#070523 #110C58 #1C148E #271CC4 #4439E3

Accessibility & contrast

On white

13.64

#1C148E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C148E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C148E

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C148E	#FFFFFF	#000000	##FFFFFF
##1C148E	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003391

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c148e;
/* rgb */ color: rgb(28, 20, 142);
/* oklch */ color: oklch(32.0% 0.185 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1c148e',
    950: '#000000',
  },
}

SCSS

$custom: #1c148e;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c148e",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 142
  },
  "hsl": {
    "h": 243.934,
    "s": 75.309,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31981,
    "c": 0.1846,
    "h": 271.7
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#1C148E

secondary

#B9C23C

accent

#F236E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C148E

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

Preview Lab → · Contrast checker → · Palette generator →