#1C1D7C#1C1D7C

#1C1D7C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.154 H 272.4°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D7C
RGB	rgb(28, 29, 124)
HSL	hsl(239, 63%, 30%)
HSV	hsv(239, 77%, 49%)
CMYK	cmyk(77.4%, 76.6%, 0%, 51.4%)
CIE-LAB	lab(18.28, 33.87, -53.29)
CIE-LCH	lch(18.28, 63.14, 302.44°)
OKLab	oklab(30.99% 0.0064 -0.1542)
OKLCH	oklch(30.99% 0.154 272.4)
XYZ	xyz(4.5551, 2.5804, 19.3229)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D7C #7C7B1C

analogous

#1C4D7C #1C1D7C #4B1C7C

triadic

#1C1D7C #7C1C1D #1D7C1C

tetradic

#1C1D7C #7C1C4D #7C7B1C #1C7C4B

square

#1C1D7C #7C1C4D #7C7B1C #1C7C4B

split-complementary

#1C1D7C #7C4B1C #4D7C1C

monochromatic

#060619 #11114A #1C1D7C #2729AE #3F40D4

Accessibility & contrast

On white

13.85

#1C1D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1C1D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D7C

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D7C	#FFFFFF	#000000	##FFFFFF
##1C1D7C	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#00287A

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c1d7c;
/* rgb */ color: rgb(28, 29, 124);
/* oklch */ color: oklch(31.0% 0.154 272.4);

Tailwind

colors: {
  custom: {
    50: '#6a5aa3',
    500: '#1c1d7c',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d7c;
$custom-light: #6a5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d7c",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 124
  },
  "hsl": {
    "h": 239.375,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.30986,
    "c": 0.15436,
    "h": 272.4
  },
  "luminance": 0.02581
}

Semantic roles & 50–950 ramp

primary

#1C1D7C

secondary

#B0AF44

accent

#E442E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C1D7C

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

Preview Lab → · Contrast checker → · Palette generator →