#1C168E#1C168E

#1C168E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.183 H 271.5°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#1C168E
RGB	rgb(28, 22, 142)
HSL	hsl(243, 73%, 32%)
HSV	hsv(243, 85%, 56%)
CMYK	cmyk(80.3%, 84.5%, 0%, 44.3%)
CIE-LAB	lab(19.11, 43.76, -63.26)
CIE-LCH	lch(19.11, 76.92, 304.67°)
OKLab	oklab(32.2% 0.0049 -0.1831)
OKLCH	oklch(32.2% 0.183 271.5)
XYZ	xyz(5.6466, 2.7731, 25.8236)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C168E #888E16

analogous

#164C8E #1C168E #58168E

triadic

#1C168E #8E1C16 #168E1C

tetradic

#1C168E #8E164C #888E16 #168E58

square

#1C168E #8E164C #888E16 #168E58

split-complementary

#1C168E #8E5816 #4C8E16

monochromatic

#070624 #120E59 #1C168E #261EC3 #463DE1

Accessibility & contrast

On white

13.51

#1C168E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1C168E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C168E

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C168E	#FFFFFF	#000000	##FFFFFF
##1C168E	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c168e;
/* rgb */ color: rgb(28, 22, 142);
/* oklch */ color: oklch(32.2% 0.183 271.5);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1c168e',
    950: '#000000',
  },
}

SCSS

$custom: #1c168e;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c168e",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 142
  },
  "hsl": {
    "h": 243,
    "s": 73.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32197,
    "c": 0.18313,
    "h": 271.5
  },
  "luminance": 0.02774
}

Semantic roles & 50–950 ramp

primary

#1C168E

secondary

#BAC13F

accent

#F038E7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C168E

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

Preview Lab → · Contrast checker → · Palette generator →