#1C4CA6#1C4CA6

#1C4CA6 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.154 H 261.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#1C4CA6
RGB	rgb(28, 76, 166)
HSL	hsl(219, 71%, 38%)
HSV	hsv(219, 83%, 65%)
CMYK	cmyk(83.1%, 54.2%, 0%, 34.9%)
CIE-LAB	lab(34.33, 18.66, -52.94)
CIE-LCH	lch(34.33, 56.13, 289.42°)
OKLab	oklab(44.03% -0.0228 -0.1527)
OKLCH	oklch(44.03% 0.154 261.5)
XYZ	xyz(9.9438, 8.1677, 37.1214)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4CA6 #A6761C

analogous

#1C91A6 #1C4CA6 #311CA6

triadic

#1C4CA6 #A61C4C #4CA61C

tetradic

#1C4CA6 #A61C91 #A6761C #1CA631

square

#1C4CA6 #A61C91 #A6761C #1CA631

split-complementary

#1C4CA6 #A6311C #91A61C

monochromatic

#0A1C3D #133472 #1C4CA6 #2564DA #5989E3

Accessibility & contrast

On white

7.97

#1C4CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#1C4CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4CA6

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4CA6	#FFFFFF	#000000	##FFFFFF
##1C4CA6	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057A9

Deuteranopia (green-blind)

#004BA4

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1c4ca6;
/* rgb */ color: rgb(28, 76, 166);
/* oklch */ color: oklch(44.0% 0.154 261.5);

Tailwind

colors: {
  custom: {
    50: '#717dc1',
    500: '#1c4ca6',
    950: '#000000',
  },
}

SCSS

$custom: #1c4ca6;
$custom-light: #717dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4ca6",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 166
  },
  "hsl": {
    "h": 219.13,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44027,
    "c": 0.15444,
    "h": 261.5
  },
  "luminance": 0.08169
}

Semantic roles & 50–950 ramp

primary

#1C4CA6

secondary

#C7A057

accent

#AF3AEE

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1C4CA6

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

Preview Lab → · Contrast checker → · Palette generator →