#1C1D6D#1C1D6D

#1C1D6D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.134 H 273.8°. Best body text is #FFFFFF at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D6D
RGB	rgb(28, 29, 109)
HSL	hsl(239, 59%, 27%)
HSV	hsv(239, 74%, 43%)
CMYK	cmyk(74.3%, 73.4%, 0%, 57.3%)
CIE-LAB	lab(16.65, 28.39, -46.31)
CIE-LCH	lch(16.65, 54.32, 301.51°)
OKLab	oklab(29.33% 0.009 -0.1339)
OKLCH	oklch(29.33% 0.134 273.8)
XYZ	xyz(3.6777, 2.2294, 14.7015)
Luminance	0.0223 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D6D #6D6C1C

analogous

#1C466D #1C1D6D #441C6D

triadic

#1C1D6D #6D1C1D #1D6D1C

tetradic

#1C1D6D #6D1C46 #6D6C1C #1C6D44

square

#1C1D6D #6D1C46 #6D6C1C #1C6D44

split-complementary

#1C1D6D #6D441C #466D1C

monochromatic

#060618 #0F103C #1C1D6D #292A9E #3839CC

Accessibility & contrast

On white

14.52

#1C1D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1C1D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D6D

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D6D	#FFFFFF	#000000	##FFFFFF
##1C1D6D	1.00	14.52	1.45	14.52
#FFFFFF	14.52	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6F

Deuteranopia (green-blind)

#00256C

Tritanopia (blue-blind)

#003342

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c1d6d;
/* rgb */ color: rgb(28, 29, 109);
/* oklch */ color: oklch(29.3% 0.134 273.8);

Tailwind

colors: {
  custom: {
    50: '#665998',
    500: '#1c1d6d',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d6d;
$custom-light: #665998;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d6d",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 109
  },
  "hsl": {
    "h": 239.259,
    "s": 59.124,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29331,
    "c": 0.1342,
    "h": 273.8
  },
  "luminance": 0.0223
}

Semantic roles & 50–950 ramp

primary

#1C1D6D

secondary

#A2A143

accent

#E045E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1C1D6D

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

Preview Lab → · Contrast checker → · Palette generator →