#1C409E#1C409E

#1C409E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.159 H 264.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#1C409E
RGB	rgb(28, 64, 158)
HSL	hsl(223, 70%, 36%)
HSV	hsv(223, 82%, 62%)
CMYK	cmyk(82.3%, 59.5%, 0%, 38%)
CIE-LAB	lab(30.35, 23.63, -54.59)
CIE-LCH	lch(30.35, 59.49, 293.40°)
OKLab	oklab(40.83% -0.0155 -0.1578)
OKLCH	oklch(40.83% 0.159 264.4)
XYZ	xyz(8.4816, 6.3813, 33.1258)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C409E #9E7A1C

analogous

#1C819E #1C409E #391C9E

triadic

#1C409E #9E1C40 #409E1C

tetradic

#1C409E #9E1C81 #9E7A1C #1C9E39

square

#1C409E #9E1C81 #9E7A1C #1C9E39

split-complementary

#1C409E #9E391C #819E1C

monochromatic

#0A1636 #132B6A #1C409E #2555D2 #547BE1

Accessibility & contrast

On white

9.23

#1C409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C409E

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C409E	#FFFFFF	#000000	##FFFFFF
##1C409E	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00429C

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c409e;
/* rgb */ color: rgb(28, 64, 158);
/* oklch */ color: oklch(40.8% 0.159 264.4);

Tailwind

colors: {
  custom: {
    50: '#7074bb',
    500: '#1c409e',
    950: '#000000',
  },
}

SCSS

$custom: #1c409e;
$custom-light: #7074bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c409e",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 223.385,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40828,
    "c": 0.15856,
    "h": 264.4
  },
  "luminance": 0.06382
}

Semantic roles & 50–950 ramp

primary

#1C409E

secondary

#C4A452

accent

#BC3BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C409E

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

Preview Lab → · Contrast checker → · Palette generator →