#1C168D#1C168D

#1C168D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.1% C 0.182 H 271.6°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#1C168D
RGB	rgb(28, 22, 141)
HSL	hsl(243, 73%, 32%)
HSV	hsv(243, 84%, 55%)
CMYK	cmyk(80.1%, 84.4%, 0%, 44.7%)
CIE-LAB	lab(18.98, 43.44, -62.85)
CIE-LCH	lch(18.98, 76.40, 304.65°)
OKLab	oklab(32.07% 0.0052 -0.1819)
OKLCH	oklch(32.07% 0.182 271.6)
XYZ	xyz(5.5719, 2.7432, 25.4300)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C168D #878D16

analogous

#164C8D #1C168D #58168D

triadic

#1C168D #8D1C16 #168D1C

tetradic

#1C168D #8D164C #878D16 #168D58

square

#1C168D #8D164C #878D16 #168D58

split-complementary

#1C168D #8D5816 #4C8D16

monochromatic

#070523 #110E58 #1C168D #271EC2 #453DE1

Accessibility & contrast

On white

13.56

#1C168D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C168D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C168D

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C168D	#FFFFFF	#000000	##FFFFFF
##1C168D	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c168d;
/* rgb */ color: rgb(28, 22, 141);
/* oklch */ color: oklch(32.1% 0.182 271.6);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1c168d',
    950: '#000000',
  },
}

SCSS

$custom: #1c168d;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c168d",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 141
  },
  "hsl": {
    "h": 243.025,
    "s": 73.006,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32073,
    "c": 0.18193,
    "h": 271.6
  },
  "luminance": 0.02744
}

Semantic roles & 50–950 ramp

primary

#1C168D

secondary

#BAC13E

accent

#F038E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C168D

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

Preview Lab → · Contrast checker → · Palette generator →