#1C1D7B#1C1D7B

#1C1D7B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.153 H 272.5°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D7B
RGB	rgb(28, 29, 123)
HSL	hsl(239, 63%, 30%)
HSV	hsv(239, 77%, 48%)
CMYK	cmyk(77.2%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(18.17, 33.51, -52.84)
CIE-LCH	lch(18.17, 62.57, 302.38°)
OKLab	oklab(30.87% 0.0066 -0.1529)
OKLCH	oklch(30.87% 0.153 272.5)
XYZ	xyz(4.4922, 2.5552, 18.9915)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D7B #7B7A1C

analogous

#1C4D7B #1C1D7B #4A1C7B

triadic

#1C1D7B #7B1C1D #1D7B1C

tetradic

#1C1D7B #7B1C4D #7B7A1C #1C7B4A

square

#1C1D7B #7B1C4D #7B7A1C #1C7B4A

split-complementary

#1C1D7B #7B4A1C #4D7B1C

monochromatic

#060619 #111149 #1C1D7B #2729AD #3E40D3

Accessibility & contrast

On white

13.90

#1C1D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C1D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D7B

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D7B	#FFFFFF	#000000	##FFFFFF
##1C1D7B	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c1d7b;
/* rgb */ color: rgb(28, 29, 123);
/* oklch */ color: oklch(30.9% 0.153 272.5);

Tailwind

colors: {
  custom: {
    50: '#695aa2',
    500: '#1c1d7b',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d7b;
$custom-light: #695aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d7b",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 239.368,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.30873,
    "c": 0.15305,
    "h": 272.5
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#1C1D7B

secondary

#AFAE44

accent

#E442E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C1D7B

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

Preview Lab → · Contrast checker → · Palette generator →