#1C3285#1C3285

#1C3285 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.142 H 267.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C3285
RGB	rgb(28, 50, 133)
HSL	hsl(227, 65%, 32%)
HSV	hsv(227, 79%, 52%)
CMYK	cmyk(78.9%, 62.4%, 0%, 47.8%)
CIE-LAB	lab(24.39, 23.34, -48.94)
CIE-LCH	lch(24.39, 54.22, 295.50°)
OKLab	oklab(35.71% -0.0069 -0.1414)
OKLCH	oklch(35.71% 0.142 267.2)
XYZ	xyz(5.8517, 4.2209, 22.6921)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3285 #856F1C

analogous

#1C6785 #1C3285 #3B1C85

triadic

#1C3285 #851C32 #32851C

tetradic

#1C3285 #851C67 #856F1C #1C853B

square

#1C3285 #851C67 #856F1C #1C853B

split-complementary

#1C3285 #853B1C #67851C

monochromatic

#070C20 #111F52 #1C3285 #2745B8 #4463D8

Accessibility & contrast

On white

11.39

#1C3285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C3285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3285

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3285	#FFFFFF	#000000	##FFFFFF
##1C3285	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F88

Deuteranopia (green-blind)

#003583

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3285;
/* rgb */ color: rgb(28, 50, 133);
/* oklch */ color: oklch(35.7% 0.142 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a69a9',
    500: '#1c3285',
    950: '#000000',
  },
}

SCSS

$custom: #1c3285;
$custom-light: #6a69a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3285",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 133
  },
  "hsl": {
    "h": 227.429,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35708,
    "c": 0.14161,
    "h": 267.2
  },
  "luminance": 0.04222
}

Semantic roles & 50–950 ramp

primary

#1C3285

secondary

#B8A045

accent

#C540E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1C3285

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

Preview Lab → · Contrast checker → · Palette generator →