#1C4493#1C4493

#1C4493 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.7% C 0.138 H 262.1°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#1C4493
RGB	rgb(28, 68, 147)
HSL	hsl(220, 68%, 34%)
HSV	hsv(220, 81%, 58%)
CMYK	cmyk(81%, 53.7%, 0%, 42.4%)
CIE-LAB	lab(30.61, 16.48, -47.48)
CIE-LCH	lch(30.61, 50.26, 289.14°)
OKLab	oklab(40.75% -0.0191 -0.1368)
OKLCH	oklch(40.75% 0.138 262.1)
XYZ	xyz(7.8106, 6.4868, 28.4385)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4493 #936B1C

analogous

#1C8093 #1C4493 #301C93

triadic

#1C4493 #931C44 #44931C

tetradic

#1C4493 #931C80 #936B1C #1C9330

square

#1C4493 #931C80 #936B1C #1C9330

split-complementary

#1C4493 #93301C #80931C

monochromatic

#08142C #122C60 #1C4493 #265CC6 #4C7DDD

Accessibility & contrast

On white

9.14

#1C4493 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C4493 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4493

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4493	#FFFFFF	#000000	##FFFFFF
##1C4493	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094E96

Deuteranopia (green-blind)

#004391

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4493;
/* rgb */ color: rgb(28, 68, 147);
/* oklch */ color: oklch(40.7% 0.138 262.1);

Tailwind

colors: {
  custom: {
    50: '#6c77b3',
    500: '#1c4493',
    950: '#000000',
  },
}

SCSS

$custom: #1c4493;
$custom-light: #6c77b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4493",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 147
  },
  "hsl": {
    "h": 219.832,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40746,
    "c": 0.13817,
    "h": 262.1
  },
  "luminance": 0.06488
}

Semantic roles & 50–950 ramp

primary

#1C4493

secondary

#BF984C

accent

#B03DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4493

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

Preview Lab → · Contrast checker → · Palette generator →