#1C41A0#1C41A0

#1C41A0 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.160 H 264.3°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C41A0
RGB	rgb(28, 65, 160)
HSL	hsl(223, 70%, 37%)
HSV	hsv(223, 83%, 63%)
CMYK	cmyk(82.5%, 59.4%, 0%, 37.3%)
CIE-LAB	lab(30.79, 23.74, -55.08)
CIE-LCH	lch(30.79, 59.98, 293.32°)
OKLab	oklab(41.21% -0.016 -0.1592)
OKLCH	oklch(41.21% 0.16 264.3)
XYZ	xyz(8.7121, 6.5645, 34.0588)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C41A0 #A07B1C

analogous

#1C83A0 #1C41A0 #391CA0

triadic

#1C41A0 #A01C41 #41A01C

tetradic

#1C41A0 #A01C83 #A07B1C #1CA039

square

#1C41A0 #A01C83 #A07B1C #1CA039

split-complementary

#1C41A0 #A0391C #83A01C

monochromatic

#0A1738 #132C6C #1C41A0 #2556D4 #557CE1

Accessibility & contrast

On white

9.08

#1C41A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1C41A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C41A0

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C41A0	#FFFFFF	#000000	##FFFFFF
##1C41A0	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c41a0;
/* rgb */ color: rgb(28, 65, 160);
/* oklch */ color: oklch(41.2% 0.160 264.3);

Tailwind

colors: {
  custom: {
    50: '#7075bd',
    500: '#1c41a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c41a0;
$custom-light: #7075bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c41a0",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 160
  },
  "hsl": {
    "h": 223.182,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.41209,
    "c": 0.16004,
    "h": 264.3
  },
  "luminance": 0.06566
}

Semantic roles & 50–950 ramp

primary

#1C41A0

secondary

#C4A553

accent

#BB3BED

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C41A0

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

Preview Lab → · Contrast checker → · Palette generator →