#1C3382#1C3382

#1C3382 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.136 H 266.8°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C3382
RGB	rgb(28, 51, 130)
HSL	hsl(226, 65%, 31%)
HSV	hsv(226, 78%, 51%)
CMYK	cmyk(78.5%, 60.8%, 0%, 49%)
CIE-LAB	lab(24.40, 21.45, -47.04)
CIE-LCH	lch(24.40, 51.70, 294.51°)
OKLab	oklab(35.64% -0.0076 -0.1358)
OKLCH	oklch(35.64% 0.136 266.8)
XYZ	xyz(5.6906, 4.2256, 21.6305)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3382 #826B1C

analogous

#1C6682 #1C3382 #381C82

triadic

#1C3382 #821C33 #33821C

tetradic

#1C3382 #821C66 #826B1C #1C8238

square

#1C3382 #821C66 #826B1C #1C8238

split-complementary

#1C3382 #82381C #66821C

monochromatic

#060B1D #111F50 #1C3382 #2747B4 #4264D6

Accessibility & contrast

On white

11.38

#1C3382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C3382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3382

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3382	#FFFFFF	#000000	##FFFFFF
##1C3382	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F85

Deuteranopia (green-blind)

#003580

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3382;
/* rgb */ color: rgb(28, 51, 130);
/* oklch */ color: oklch(35.6% 0.136 266.8);

Tailwind

colors: {
  custom: {
    50: '#696aa7',
    500: '#1c3382',
    950: '#000000',
  },
}

SCSS

$custom: #1c3382;
$custom-light: #696aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3382",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 130
  },
  "hsl": {
    "h": 226.471,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35638,
    "c": 0.13604,
    "h": 266.8
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#1C3382

secondary

#B59C44

accent

#C240E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1C3382

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

Preview Lab → · Contrast checker → · Palette generator →