#1C1D9D#1C1D9D

#1C1D9D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.195 H 270.0°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D9D
RGB	rgb(28, 29, 157)
HSL	hsl(240, 70%, 36%)
HSV	hsv(240, 82%, 62%)
CMYK	cmyk(82.2%, 81.5%, 0%, 38.4%)
CIE-LAB	lab(22.16, 45.13, -67.47)
CIE-LCH	lch(22.16, 81.18, 303.78°)
OKLab	oklab(34.85% -0.0002 -0.1954)
OKLCH	oklch(34.85% 0.195 270)
XYZ	xyz(7.0020, 3.5591, 32.2097)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D9D #9D9C1C

analogous

#1C5E9D #1C1D9D #5C1C9D

triadic

#1C1D9D #9D1C1D #1D9D1C

tetradic

#1C1D9D #9D1C5E #9D9C1C #1C9D5C

square

#1C1D9D #9D1C5E #9D9C1C #1C9D5C

split-complementary

#1C1D9D #9D5C1C #5E9D1C

monochromatic

#090A35 #131369 #1C1D9D #2527D1 #5354E0

Accessibility & contrast

On white

12.27

#1C1D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C1D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D9D

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D9D	#FFFFFF	#000000	##FFFFFF
##1C1D9D	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA1

Deuteranopia (green-blind)

#002E9B

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c1d9d;
/* rgb */ color: rgb(28, 29, 157);
/* oklch */ color: oklch(34.8% 0.195 270.0);

Tailwind

colors: {
  custom: {
    50: '#735cbb',
    500: '#1c1d9d',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d9d;
$custom-light: #735cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d9d",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 239.535,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34848,
    "c": 0.19538,
    "h": 270
  },
  "luminance": 0.0356
}

Semantic roles & 50–950 ramp

primary

#1C1D9D

secondary

#C3C251

accent

#EB3BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1C1D9D

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

Preview Lab → · Contrast checker → · Palette generator →