#1C4498#1C4498

#1C4498 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.145 H 262.6°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1C4498
RGB	rgb(28, 68, 152)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 82%, 60%)
CMYK	cmyk(81.6%, 55.3%, 0%, 40.4%)
CIE-LAB	lab(30.99, 18.50, -49.92)
CIE-LCH	lch(30.99, 53.23, 290.33°)
OKLab	oklab(41.16% -0.0186 -0.144)
OKLCH	oklch(41.16% 0.145 262.6)
XYZ	xyz(8.2115, 6.6471, 30.5499)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4498 #98701C

analogous

#1C8298 #1C4498 #321C98

triadic

#1C4498 #981C44 #44981C

tetradic

#1C4498 #981C82 #98701C #1C9832

square

#1C4498 #981C82 #98701C #1C9832

split-complementary

#1C4498 #98321C #82981C

monochromatic

#091631 #122D64 #1C4498 #265BCC #507EDF

Accessibility & contrast

On white

9.01

#1C4498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1C4498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4498

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4498	#FFFFFF	#000000	##FFFFFF
##1C4498	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9B

Deuteranopia (green-blind)

#004496

Tritanopia (blue-blind)

#005967

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c4498;
/* rgb */ color: rgb(28, 68, 152);
/* oklch */ color: oklch(41.2% 0.145 262.6);

Tailwind

colors: {
  custom: {
    50: '#6e77b7',
    500: '#1c4498',
    950: '#000000',
  },
}

SCSS

$custom: #1c4498;
$custom-light: #6e77b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4498",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 152
  },
  "hsl": {
    "h": 220.645,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41155,
    "c": 0.14518,
    "h": 262.6
  },
  "luminance": 0.06648
}

Semantic roles & 50–950 ramp

primary

#1C4498

secondary

#C19C4E

accent

#B33CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4498

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

Preview Lab → · Contrast checker → · Palette generator →