#1C4491#1C4491

#1C4491 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.6% C 0.135 H 261.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1C4491
RGB	rgb(28, 68, 145)
HSL	hsl(219, 68%, 34%)
HSV	hsv(219, 81%, 57%)
CMYK	cmyk(80.7%, 53.1%, 0%, 43.1%)
CIE-LAB	lab(30.46, 15.67, -46.50)
CIE-LCH	lch(30.46, 49.07, 288.62°)
OKLab	oklab(40.58% -0.0193 -0.134)
OKLCH	oklch(40.58% 0.135 261.8)
XYZ	xyz(7.6550, 6.4246, 27.6192)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4491 #91691C

analogous

#1C7F91 #1C4491 #2F1C91

triadic

#1C4491 #911C44 #44911C

tetradic

#1C4491 #911C7F #91691C #1C912F

square

#1C4491 #911C7F #91691C #1C912F

split-complementary

#1C4491 #912F1C #7F911C

monochromatic

#08142A #122C5E #1C4491 #265CC4 #4B7DDC

Accessibility & contrast

On white

9.19

#1C4491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1C4491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4491

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4491	#FFFFFF	#000000	##FFFFFF
##1C4491	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4D94

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4491;
/* rgb */ color: rgb(28, 68, 145);
/* oklch */ color: oklch(40.6% 0.135 261.8);

Tailwind

colors: {
  custom: {
    50: '#6c77b2',
    500: '#1c4491',
    950: '#000000',
  },
}

SCSS

$custom: #1c4491;
$custom-light: #6c77b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4491",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 145
  },
  "hsl": {
    "h": 219.487,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40584,
    "c": 0.13534,
    "h": 261.8
  },
  "luminance": 0.06425
}

Semantic roles & 50–950 ramp

primary

#1C4491

secondary

#BE974A

accent

#AF3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4491

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

Preview Lab → · Contrast checker → · Palette generator →