#1C1769#1C1769

#1C1769 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.136 H 275.7°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C1769
RGB	rgb(28, 23, 105)
HSL	hsl(244, 64%, 25%)
HSV	hsv(244, 78%, 41%)
CMYK	cmyk(73.3%, 78.1%, 0%, 58.8%)
CIE-LAB	lab(14.84, 30.74, -46.68)
CIE-LCH	lch(14.84, 55.89, 303.37°)
OKLab	oklab(27.91% 0.0135 -0.1349)
OKLCH	oklch(27.91% 0.136 275.7)
XYZ	xyz(3.3342, 1.8793, 13.5489)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1769 #646917

analogous

#173B69 #1C1769 #451769

triadic

#1C1769 #691C17 #17691C

tetradic

#1C1769 #69173B #646917 #176945

square

#1C1769 #69173B #646917 #176945

split-complementary

#1C1769 #694517 #3B6917

monochromatic

#070519 #0F0C37 #1C1769 #29229B #372DCD

Accessibility & contrast

On white

15.26

#1C1769 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1C1769 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1769

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1769	#FFFFFF	#000000	##FFFFFF
##1C1769	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296B

Deuteranopia (green-blind)

#002268

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1c1769;
/* rgb */ color: rgb(28, 23, 105);
/* oklch */ color: oklch(27.9% 0.136 275.7);

Tailwind

colors: {
  custom: {
    50: '#655595',
    500: '#1c1769',
    950: '#000000',
  },
}

SCSS

$custom: #1c1769;
$custom-light: #655595;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1769",
  "rgb": {
    "r": 28,
    "g": 23,
    "b": 105
  },
  "hsl": {
    "h": 243.659,
    "s": 64.063,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2791,
    "c": 0.1356,
    "h": 275.7
  },
  "luminance": 0.0188
}

Semantic roles & 50–950 ramp

primary

#1C1769

secondary

#999F3D

accent

#E741DD

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1C1769

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

Preview Lab → · Contrast checker → · Palette generator →