#1C4199#1C4199

#1C4199 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.150 H 263.7°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1C4199
RGB	rgb(28, 65, 153)
HSL	hsl(222, 69%, 35%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(81.7%, 57.5%, 0%, 40%)
CIE-LAB	lab(30.22, 20.95, -51.77)
CIE-LCH	lch(30.22, 55.85, 292.04°)
OKLab	oklab(40.6% -0.0164 -0.1495)
OKLCH	oklch(40.6% 0.15 263.7)
XYZ	xyz(8.1169, 6.3264, 30.9241)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4199 #99741C

analogous

#1C7F99 #1C4199 #351C99

triadic

#1C4199 #991C41 #41991C

tetradic

#1C4199 #991C7F #99741C #1C9935

square

#1C4199 #991C7F #99741C #1C9935

split-complementary

#1C4199 #99351C #7F991C

monochromatic

#091532 #132B65 #1C4199 #2557CD #507BDF

Accessibility & contrast

On white

9.27

#1C4199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1C4199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4199

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4199	#FFFFFF	#000000	##FFFFFF
##1C4199	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1c4199;
/* rgb */ color: rgb(28, 65, 153);
/* oklch */ color: oklch(40.6% 0.150 263.7);

Tailwind

colors: {
  custom: {
    50: '#6e75b8',
    500: '#1c4199',
    950: '#000000',
  },
}

SCSS

$custom: #1c4199;
$custom-light: #6e75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4199",
  "rgb": {
    "r": 28,
    "g": 65,
    "b": 153
  },
  "hsl": {
    "h": 222.24,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.406,
    "c": 0.15041,
    "h": 263.7
  },
  "luminance": 0.06327
}

Semantic roles & 50–950 ramp

primary

#1C4199

secondary

#C2A04F

accent

#B83CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4199

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

Preview Lab → · Contrast checker → · Palette generator →