#1C168C#1C168C

#1C168C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.181 H 271.7°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#1C168C
RGB	rgb(28, 22, 140)
HSL	hsl(243, 73%, 32%)
HSV	hsv(243, 84%, 55%)
CMYK	cmyk(80%, 84.3%, 0%, 45.1%)
CIE-LAB	lab(18.86, 43.12, -62.43)
CIE-LCH	lch(18.86, 75.88, 304.63°)
OKLab	oklab(31.95% 0.0054 -0.1807)
OKLCH	oklch(31.95% 0.181 271.7)
XYZ	xyz(5.4978, 2.7135, 25.0399)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C168C #868C16

analogous

#164B8C #1C168C #57168C

triadic

#1C168C #8C1C16 #168C1C

tetradic

#1C168C #8C164B #868C16 #168C57

square

#1C168C #8C164B #868C16 #168C57

split-complementary

#1C168C #8C5716 #4B8C16

monochromatic

#070522 #110E57 #1C168C #271EC1 #443CE0

Accessibility & contrast

On white

13.61

#1C168C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C168C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C168C

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C168C	#FFFFFF	#000000	##FFFFFF
##1C168C	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00288A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c168c;
/* rgb */ color: rgb(28, 22, 140);
/* oklch */ color: oklch(31.9% 0.181 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f57af',
    500: '#1c168c',
    950: '#000000',
  },
}

SCSS

$custom: #1c168c;
$custom-light: #6f57af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c168c",
  "rgb": {
    "r": 28,
    "g": 22,
    "b": 140
  },
  "hsl": {
    "h": 243.051,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31949,
    "c": 0.18074,
    "h": 271.7
  },
  "luminance": 0.02714
}

Semantic roles & 50–950 ramp

primary

#1C168C

secondary

#B9C03E

accent

#F038E6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C168C

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

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