#1C1C8D#1C1C8D

#1C1C8D is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.177 H 271.1°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#1C1C8D
RGB	rgb(28, 28, 141)
HSL	hsl(240, 67%, 33%)
HSV	hsv(240, 80%, 55%)
CMYK	cmyk(80.1%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(20.04, 40.36, -61.09)
CIE-LCH	lch(20.04, 73.22, 303.45°)
OKLab	oklab(32.81% 0.0034 -0.1769)
OKLCH	oklch(32.81% 0.177 271.1)
XYZ	xyz(5.7002, 2.9998, 25.4727)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1C8D #8D8D1C

analogous

#1C548D #1C1C8D #541C8D

triadic

#1C1C8D #8D1C1C #1C8D1C

tetradic

#1C1C8D #8D1C54 #8D8D1C #1C8D54

square

#1C1C8D #8D1C54 #8D8D1C #1C8D54

split-complementary

#1C1C8D #8D541C #548D1C

monochromatic

#080827 #12125A #1C1C8D #2626C0 #4949DB

Accessibility & contrast

On white

13.13

#1C1C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C1C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1C8D

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1C8D	#FFFFFF	#000000	##FFFFFF
##1C1C8D	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002B8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c1c8d;
/* rgb */ color: rgb(28, 28, 141);
/* oklch */ color: oklch(32.8% 0.177 271.1);

Tailwind

colors: {
  custom: {
    50: '#6e5bb0',
    500: '#1c1c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1c1c8d;
$custom-light: #6e5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1c8d",
  "rgb": {
    "r": 28,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 240,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.32811,
    "c": 0.17691,
    "h": 271.1
  },
  "luminance": 0.03
}

Semantic roles & 50–950 ramp

primary

#1C1C8D

secondary

#BDBD48

accent

#EA3EEA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C1C8D

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

Preview Lab → · Contrast checker → · Palette generator →