#1C41A5#1C41A5

#1C41A5 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.7% C 0.167 H 264.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C41A5
RGB	rgb(28, 65, 165)
HSL	hsl(224, 71%, 38%)
HSV	hsv(224, 83%, 65%)
CMYK	cmyk(83%, 60.6%, 0%, 35.3%)
CIE-LAB	lab(31.21, 25.71, -57.41)
CIE-LCH	lch(31.21, 62.91, 294.13°)
OKLab	oklab(41.65% -0.0158 -0.1661)
OKLCH	oklch(41.65% 0.167 264.6)
XYZ	xyz(9.1583, 6.7430, 36.4089)
Luminance	0.0674 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C41A5 #A5801C

analogous

#1C85A5 #1C41A5 #3C1CA5

triadic

#1C41A5 #A51C41 #41A51C

tetradic

#1C41A5 #A51C85 #A5801C #1CA53C

square

#1C41A5 #A51C85 #A5801C #1CA53C

split-complementary

#1C41A5 #A53C1C #85A51C

monochromatic

#0A183C #132C71 #1C41A5 #2556D9 #597EE3

Accessibility & contrast

On white

8.94

#1C41A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1C41A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C41A5

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C41A5	#FFFFFF	#000000	##FFFFFF
##1C41A5	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A8

Deuteranopia (green-blind)

#0043A3

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c41a5;
/* rgb */ color: rgb(28, 65, 165);
/* oklch */ color: oklch(41.7% 0.167 264.6);

Tailwind

colors: {
  custom: {
    50: '#7175c1',
    500: '#1c41a5',
    950: '#000000',
  },
}

SCSS

$custom: #1c41a5;
$custom-light: #7175c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c41a5",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 165
  },
  "hsl": {
    "h": 223.796,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41654,
    "c": 0.16682,
    "h": 264.6
  },
  "luminance": 0.06744
}

Semantic roles & 50–950 ramp

primary

#1C41A5

secondary

#C6A856

accent

#BD3AEE

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C41A5

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

Preview Lab → · Contrast checker → · Palette generator →