#1C176C#1C176C

#1C176C is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.140 H 275.3°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1C176C
RGB	rgb(28, 23, 108)
HSL	hsl(244, 65%, 26%)
HSV	hsv(244, 79%, 42%)
CMYK	cmyk(74.1%, 78.7%, 0%, 57.6%)
CIE-LAB	lab(15.18, 31.81, -48.08)
CIE-LCH	lch(15.18, 57.65, 303.49°)
OKLab	oklab(28.25% 0.0129 -0.139)
OKLCH	oklch(28.25% 0.14 275.3)
XYZ	xyz(3.4912, 1.9420, 14.3753)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C176C #676C17

analogous

#173C6C #1C176C #46176C

triadic

#1C176C #6C1C17 #176C1C

tetradic

#1C176C #6C173C #676C17 #176C46

square

#1C176C #6C173C #676C17 #176C46

split-complementary

#1C176C #6C4617 #3C6C17

monochromatic

#070519 #0F0C3A #1C176C #29229E #362CD1

Accessibility & contrast

On white

15.13

#1C176C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1C176C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C176C

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C176C	#FFFFFF	#000000	##FFFFFF
##1C176C	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6E

Deuteranopia (green-blind)

#00226A

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1c176c;
/* rgb */ color: rgb(28, 23, 108);
/* oklch */ color: oklch(28.3% 0.140 275.3);

Tailwind

colors: {
  custom: {
    50: '#665597',
    500: '#1c176c',
    950: '#000000',
  },
}

SCSS

$custom: #1c176c;
$custom-light: #665597;
$custom-dark: #000000;

JSON

{
  "hex": "#1c176c",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 108
  },
  "hsl": {
    "h": 243.529,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28252,
    "c": 0.13961,
    "h": 275.3
  },
  "luminance": 0.01942
}

Semantic roles & 50–950 ramp

primary

#1C176C

secondary

#9CA23D

accent

#E840DE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C176C

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

Preview Lab → · Contrast checker → · Palette generator →