#1C4084#1C4084

#1C4084 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.7% C 0.122 H 261.6°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C4084
RGB	rgb(28, 64, 132)
HSL	hsl(219, 65%, 31%)
HSV	hsv(219, 79%, 52%)
CMYK	cmyk(78.8%, 51.5%, 0%, 48.2%)
CIE-LAB	lab(28.32, 13.16, -41.93)
CIE-LCH	lch(28.32, 43.94, 287.43°)
OKLab	oklab(38.65% -0.0178 -0.1206)
OKLCH	oklch(38.65% 0.122 261.6)
XYZ	xyz(6.4756, 5.5789, 22.5609)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4084 #84601C

analogous

#1C7484 #1C4084 #2C1C84

triadic

#1C4084 #841C40 #40841C

tetradic

#1C4084 #841C74 #84601C #1C842C

square

#1C4084 #841C74 #84601C #1C842C

split-complementary

#1C4084 #842C1C #74841C

monochromatic

#070F1F #112852 #1C4084 #2758B6 #4376D7

Accessibility & contrast

On white

9.92

#1C4084 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1C4084 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4084

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4084	#FFFFFF	#000000	##FFFFFF
##1C4084	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174886

Deuteranopia (green-blind)

#003E83

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1c4084;
/* rgb */ color: rgb(28, 64, 132);
/* oklch */ color: oklch(38.7% 0.122 261.6);

Tailwind

colors: {
  custom: {
    50: '#6974a8',
    500: '#1c4084',
    950: '#000000',
  },
}

SCSS

$custom: #1c4084;
$custom-light: #6974a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4084",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 132
  },
  "hsl": {
    "h": 219.231,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.38651,
    "c": 0.12187,
    "h": 261.6
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#1C4084

secondary

#B79045

accent

#AE40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1C4084

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

Preview Lab → · Contrast checker → · Palette generator →