#1C148F#1C148F

#1C148F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.186 H 271.6°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C148F
RGB	rgb(28, 20, 143)
HSL	hsl(244, 75%, 32%)
HSV	hsv(244, 86%, 56%)
CMYK	cmyk(80.4%, 86%, 0%, 43.9%)
CIE-LAB	lab(18.93, 44.99, -64.19)
CIE-LCH	lch(18.93, 78.39, 305.03°)
OKLab	oklab(32.11% 0.0051 -0.1857)
OKLCH	oklch(32.11% 0.186 271.6)
XYZ	xyz(5.6853, 2.7297, 26.2085)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C148F #878F14

analogous

#144A8F #1C148F #59148F

triadic

#1C148F #8F1C14 #148F1C

tetradic

#1C148F #8F144A #878F14 #148F59

square

#1C148F #8F144A #878F14 #148F59

split-complementary

#1C148F #8F5914 #4A8F14

monochromatic

#070524 #110C59 #1C148F #271CC5 #453AE3

Accessibility & contrast

On white

13.58

#1C148F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C148F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C148F

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C148F	#FFFFFF	#000000	##FFFFFF
##1C148F	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00288D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c148f;
/* rgb */ color: rgb(28, 20, 143);
/* oklch */ color: oklch(32.1% 0.186 271.6);

Tailwind

colors: {
  custom: {
    50: '#7056b1',
    500: '#1c148f',
    950: '#000000',
  },
}

SCSS

$custom: #1c148f;
$custom-light: #7056b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c148f",
  "rgb": {
    "r": 28,
    "g": 20,
    "b": 143
  },
  "hsl": {
    "h": 243.902,
    "s": 75.46,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32107,
    "c": 0.18578,
    "h": 271.6
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#1C148F

secondary

#BAC33C

accent

#F236E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C148F

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

Preview Lab → · Contrast checker → · Palette generator →