#1C1776#1C1776

#1C1776 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.153 H 274.0°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C1776
RGB	rgb(28, 23, 118)
HSL	hsl(243, 67%, 28%)
HSV	hsv(243, 81%, 46%)
CMYK	cmyk(76.3%, 80.5%, 0%, 53.7%)
CIE-LAB	lab(16.34, 35.30, -52.65)
CIE-LCH	lch(16.34, 63.38, 303.84°)
OKLab	oklab(29.41% 0.0105 -0.1523)
OKLCH	oklch(29.41% 0.153 274)
XYZ	xyz(4.0542, 2.1673, 17.3407)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1776 #717617

analogous

#174176 #1C1776 #4C1776

triadic

#1C1776 #761C17 #17761C

tetradic

#1C1776 #761741 #717617 #17764C

square

#1C1776 #761741 #717617 #17764C

split-complementary

#1C1776 #764C17 #417617

monochromatic

#06051A #100D43 #1C1776 #2821A9 #3931D7

Accessibility & contrast

On white

14.65

#1C1776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1C1776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1776

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1776	#FFFFFF	#000000	##FFFFFF
##1C1776	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D79

Deuteranopia (green-blind)

#002474

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1c1776;
/* rgb */ color: rgb(28, 23, 118);
/* oklch */ color: oklch(29.4% 0.153 274.0);

Tailwind

colors: {
  custom: {
    50: '#69569f',
    500: '#1c1776',
    950: '#000000',
  },
}

SCSS

$custom: #1c1776;
$custom-light: #69569f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1776",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 118
  },
  "hsl": {
    "h": 243.158,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29414,
    "c": 0.15266,
    "h": 274
  },
  "luminance": 0.02168
}

Semantic roles & 50–950 ramp

primary

#1C1776

secondary

#A6AB3E

accent

#EA3EE1

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1C1776

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

Preview Lab → · Contrast checker → · Palette generator →