#1C409A#1C409A

#1C409A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.153 H 264.1°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#1C409A
RGB	rgb(28, 64, 154)
HSL	hsl(223, 69%, 36%)
HSV	hsv(223, 82%, 60%)
CMYK	cmyk(81.8%, 58.4%, 0%, 39.6%)
CIE-LAB	lab(30.02, 22.04, -52.70)
CIE-LCH	lch(30.02, 57.12, 292.69°)
OKLab	oklab(40.48% -0.0157 -0.1523)
OKLCH	oklch(40.48% 0.153 264.1)
XYZ	xyz(8.1429, 6.2458, 31.3420)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C409A #9A761C

analogous

#1C7F9A #1C409A #371C9A

triadic

#1C409A #9A1C40 #409A1C

tetradic

#1C409A #9A1C7F #9A761C #1C9A37

square

#1C409A #9A1C7F #9A761C #1C9A37

split-complementary

#1C409A #9A371C #7F9A1C

monochromatic

#091532 #132A66 #1C409A #2556CE #517ADF

Accessibility & contrast

On white

9.34

#1C409A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1C409A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C409A

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C409A	#FFFFFF	#000000	##FFFFFF
##1C409A	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c409a;
/* rgb */ color: rgb(28, 64, 154);
/* oklch */ color: oklch(40.5% 0.153 264.1);

Tailwind

colors: {
  custom: {
    50: '#6f74b9',
    500: '#1c409a',
    950: '#000000',
  },
}

SCSS

$custom: #1c409a;
$custom-light: #6f74b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c409a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 154
  },
  "hsl": {
    "h": 222.857,
    "s": 69.231,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40477,
    "c": 0.15306,
    "h": 264.1
  },
  "luminance": 0.06247
}

Semantic roles & 50–950 ramp

primary

#1C409A

secondary

#C2A150

accent

#BA3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1C409A

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

Preview Lab → · Contrast checker → · Palette generator →