#1C4398#1C4398

#1C4398 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.146 H 263.0°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1C4398
RGB	rgb(28, 67, 152)
HSL	hsl(221, 69%, 35%)
HSV	hsv(221, 82%, 60%)
CMYK	cmyk(81.6%, 55.9%, 0%, 40.4%)
CIE-LAB	lab(30.71, 19.18, -50.38)
CIE-LCH	lch(30.71, 53.91, 290.84°)
OKLab	oklab(40.94% -0.0179 -0.1454)
OKLCH	oklch(40.94% 0.146 263)
XYZ	xyz(8.1515, 6.5272, 30.5299)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4398 #98711C

analogous

#1C8198 #1C4398 #331C98

triadic

#1C4398 #981C43 #43981C

tetradic

#1C4398 #981C81 #98711C #1C9833

square

#1C4398 #981C81 #98711C #1C9833

split-complementary

#1C4398 #98331C #81981C

monochromatic

#091531 #122C64 #1C4398 #265ACC #507DDF

Accessibility & contrast

On white

9.11

#1C4398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1C4398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4398

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4398	#FFFFFF	#000000	##FFFFFF
##1C4398	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004396

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c4398;
/* rgb */ color: rgb(28, 67, 152);
/* oklch */ color: oklch(40.9% 0.146 263.0);

Tailwind

colors: {
  custom: {
    50: '#6e76b7',
    500: '#1c4398',
    950: '#000000',
  },
}

SCSS

$custom: #1c4398;
$custom-light: #6e76b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4398",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 152
  },
  "hsl": {
    "h": 221.129,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.4094,
    "c": 0.14646,
    "h": 263
  },
  "luminance": 0.06528
}

Semantic roles & 50–950 ramp

primary

#1C4398

secondary

#C19D4E

accent

#B43CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C4398

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

Preview Lab → · Contrast checker → · Palette generator →