#1C41AF#1C41AF

#1C41AF is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.180 H 265.0°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C41AF
RGB	rgb(28, 65, 175)
HSL	hsl(225, 72%, 40%)
HSV	hsv(225, 84%, 69%)
CMYK	cmyk(84%, 62.9%, 0%, 31.4%)
CIE-LAB	lab(32.08, 29.61, -61.98)
CIE-LCH	lch(32.08, 68.69, 295.54°)
OKLab	oklab(42.57% -0.0157 -0.1794)
OKLCH	oklch(42.57% 0.18 265)
XYZ	xyz(10.1043, 7.1214, 41.3911)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C41AF #AF8A1C

analogous

#1C8BAF #1C41AF #411CAF

triadic

#1C41AF #AF1C41 #41AF1C

tetradic

#1C41AF #AF1C8B #AF8A1C #1CAF41

square

#1C41AF #AF1C8B #AF8A1C #1CAF41

split-complementary

#1C41AF #AF411C #8BAF1C

monochromatic

#0B1A45 #142D7A #1C41AF #2B58DD #6082E6

Accessibility & contrast

On white

8.66

#1C41AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1C41AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C41AF

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C41AF	#FFFFFF	#000000	##FFFFFF
##1C41AF	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B3

Deuteranopia (green-blind)

#0045AD

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c41af;
/* rgb */ color: rgb(28, 65, 175);
/* oklch */ color: oklch(42.6% 0.180 265.0);

Tailwind

colors: {
  custom: {
    50: '#7475c8',
    500: '#1c41af',
    950: '#000000',
  },
}

SCSS

$custom: #1c41af;
$custom-light: #7475c8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c41af",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 175
  },
  "hsl": {
    "h": 224.898,
    "s": 72.414,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42568,
    "c": 0.18013,
    "h": 265
  },
  "luminance": 0.07123
}

Semantic roles & 50–950 ramp

primary

#1C41AF

secondary

#CAAE5D

accent

#C139EF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1C41AF

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

Preview Lab → · Contrast checker → · Palette generator →