#1C3286#1C3286

#1C3286 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.143 H 267.3°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1C3286
RGB	rgb(28, 50, 134)
HSL	hsl(228, 65%, 32%)
HSV	hsv(228, 79%, 53%)
CMYK	cmyk(79.1%, 62.7%, 0%, 47.5%)
CIE-LAB	lab(24.48, 23.74, -49.42)
CIE-LCH	lch(24.48, 54.83, 295.66°)
OKLab	oklab(35.8% -0.0068 -0.1428)
OKLCH	oklch(35.8% 0.143 267.3)
XYZ	xyz(5.9211, 4.2486, 23.0576)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3286 #86701C

analogous

#1C6786 #1C3286 #3B1C86

triadic

#1C3286 #861C32 #32861C

tetradic

#1C3286 #861C67 #86701C #1C863B

square

#1C3286 #861C67 #86701C #1C863B

split-complementary

#1C3286 #863B1C #67861C

monochromatic

#070C21 #111F53 #1C3286 #2745B9 #4463D8

Accessibility & contrast

On white

11.35

#1C3286 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1C3286 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3286

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3286	#FFFFFF	#000000	##FFFFFF
##1C3286	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F89

Deuteranopia (green-blind)

#003584

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3286;
/* rgb */ color: rgb(28, 50, 134);
/* oklch */ color: oklch(35.8% 0.143 267.3);

Tailwind

colors: {
  custom: {
    50: '#6a69aa',
    500: '#1c3286',
    950: '#000000',
  },
}

SCSS

$custom: #1c3286;
$custom-light: #6a69aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3286",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 134
  },
  "hsl": {
    "h": 227.547,
    "s": 65.432,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35801,
    "c": 0.14301,
    "h": 267.3
  },
  "luminance": 0.04249
}

Semantic roles & 50–950 ramp

primary

#1C3286

secondary

#B9A145

accent

#C53FE8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1C3286

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

Preview Lab → · Contrast checker → · Palette generator →