#1C41A8#1C41A8

#1C41A8 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.171 H 264.7°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#1C41A8
RGB	rgb(28, 65, 168)
HSL	hsl(224, 71%, 38%)
HSV	hsv(224, 83%, 66%)
CMYK	cmyk(83.3%, 61.3%, 0%, 34.1%)
CIE-LAB	lab(31.47, 26.89, -58.80)
CIE-LCH	lch(31.47, 64.65, 294.58°)
OKLab	oklab(41.93% -0.0157 -0.1701)
OKLCH	oklch(41.93% 0.171 264.7)
XYZ	xyz(9.4346, 6.8535, 37.8638)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C41A8 #A8831C

analogous

#1C87A8 #1C41A8 #3D1CA8

triadic

#1C41A8 #A81C41 #41A81C

tetradic

#1C41A8 #A81C87 #A8831C #1CA83D

square

#1C41A8 #A81C87 #A8831C #1CA83D

split-complementary

#1C41A8 #A83D1C #87A81C

monochromatic

#0B183F #132D74 #1C41A8 #2656DB #5B7FE4

Accessibility & contrast

On white

8.86

#1C41A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1C41A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C41A8

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C41A8	#FFFFFF	#000000	##FFFFFF
##1C41A8	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0044A6

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c41a8;
/* rgb */ color: rgb(28, 65, 168);
/* oklch */ color: oklch(41.9% 0.171 264.7);

Tailwind

colors: {
  custom: {
    50: '#7275c3',
    500: '#1c41a8',
    950: '#000000',
  },
}

SCSS

$custom: #1c41a8;
$custom-light: #7275c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c41a8",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 168
  },
  "hsl": {
    "h": 224.143,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41925,
    "c": 0.17085,
    "h": 264.7
  },
  "luminance": 0.06855
}

Semantic roles & 50–950 ramp

primary

#1C41A8

secondary

#C7AA58

accent

#BE3AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090813

muted

#7B7B82

Preview Lab

Preview with #1C41A8

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

Preview Lab → · Contrast checker → · Palette generator →