#1C4393#1C4393

#1C4393 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.139 H 262.4°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#1C4393
RGB	rgb(28, 67, 147)
HSL	hsl(220, 68%, 34%)
HSV	hsv(220, 81%, 58%)
CMYK	cmyk(81%, 54.4%, 0%, 42.4%)
CIE-LAB	lab(30.32, 17.17, -47.95)
CIE-LCH	lch(30.32, 50.93, 289.70°)
OKLab	oklab(40.53% -0.0183 -0.1382)
OKLCH	oklch(40.53% 0.139 262.4)
XYZ	xyz(7.7506, 6.3669, 28.4185)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4393 #936C1C

analogous

#1C7F93 #1C4393 #311C93

triadic

#1C4393 #931C43 #43931C

tetradic

#1C4393 #931C7F #936C1C #1C9331

square

#1C4393 #931C7F #936C1C #1C9331

split-complementary

#1C4393 #93311C #7F931C

monochromatic

#08142C #122C60 #1C4393 #265AC6 #4C7CDD

Accessibility & contrast

On white

9.24

#1C4393 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C4393 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4393

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4393	#FFFFFF	#000000	##FFFFFF
##1C4393	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#044D96

Deuteranopia (green-blind)

#004291

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4393;
/* rgb */ color: rgb(28, 67, 147);
/* oklch */ color: oklch(40.5% 0.139 262.4);

Tailwind

colors: {
  custom: {
    50: '#6c76b3',
    500: '#1c4393',
    950: '#000000',
  },
}

SCSS

$custom: #1c4393;
$custom-light: #6c76b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4393",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 147
  },
  "hsl": {
    "h": 220.336,
    "s": 68,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40526,
    "c": 0.13945,
    "h": 262.4
  },
  "luminance": 0.06368
}

Semantic roles & 50–950 ramp

primary

#1C4393

secondary

#BF994C

accent

#B23DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4393

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

Preview Lab → · Contrast checker → · Palette generator →