#1C409F#1C409F

#1C409F is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.9% C 0.160 H 264.5°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1C409F
RGB	rgb(28, 64, 159)
HSL	hsl(224, 70%, 37%)
HSV	hsv(224, 82%, 62%)
CMYK	cmyk(82.4%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(30.44, 24.03, -55.06)
CIE-LCH	lch(30.44, 60.07, 293.57°)
OKLab	oklab(40.92% -0.0154 -0.1592)
OKLCH	oklch(40.92% 0.16 264.5)
XYZ	xyz(8.5681, 6.4158, 33.5810)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C409F #9F7B1C

analogous

#1C829F #1C409F #391C9F

triadic

#1C409F #9F1C40 #409F1C

tetradic

#1C409F #9F1C82 #9F7B1C #1C9F39

square

#1C409F #9F1C82 #9F7B1C #1C9F39

split-complementary

#1C409F #9F391C #829F1C

monochromatic

#0A1637 #132B6B #1C409F #2555D3 #547BE1

Accessibility & contrast

On white

9.20

#1C409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1C409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C409F

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C409F	#FFFFFF	#000000	##FFFFFF
##1C409F	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA2

Deuteranopia (green-blind)

#00429D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c409f;
/* rgb */ color: rgb(28, 64, 159);
/* oklch */ color: oklch(40.9% 0.160 264.5);

Tailwind

colors: {
  custom: {
    50: '#7074bc',
    500: '#1c409f',
    950: '#000000',
  },
}

SCSS

$custom: #1c409f;
$custom-light: #7074bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c409f",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 223.511,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40916,
    "c": 0.15993,
    "h": 264.5
  },
  "luminance": 0.06417
}

Semantic roles & 50–950 ramp

primary

#1C409F

secondary

#C4A553

accent

#BC3BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C409F

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

Preview Lab → · Contrast checker → · Palette generator →