#1C208B#1C208B

#1C208B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.171 H 270.8°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C208B
RGB	rgb(28, 32, 139)
HSL	hsl(238, 66%, 33%)
HSV	hsv(238, 80%, 55%)
CMYK	cmyk(79.9%, 77%, 0%, 45.5%)
CIE-LAB	lab(20.61, 37.38, -58.91)
CIE-LCH	lch(20.61, 69.77, 302.40°)
OKLab	oklab(33.14% 0.0024 -0.1706)
OKLCH	oklch(33.14% 0.171 270.8)
XYZ	xyz(5.6540, 3.1434, 24.7298)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C208B #8B871C

analogous

#1C578B #1C208B #501C8B

triadic

#1C208B #8B1C20 #208B1C

tetradic

#1C208B #8B1C57 #8B871C #1C8B50

square

#1C208B #8B1C57 #8B871C #1C8B50

split-complementary

#1C208B #8B501C #578B1C

monochromatic

#070925 #121458 #1C208B #262CBE #474DDA

Accessibility & contrast

On white

12.89

#1C208B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C208B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C208B

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C208B	#FFFFFF	#000000	##FFFFFF
##1C208B	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c208b;
/* rgb */ color: rgb(28, 32, 139);
/* oklch */ color: oklch(33.1% 0.171 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d5dae',
    500: '#1c208b',
    950: '#000000',
  },
}

SCSS

$custom: #1c208b;
$custom-light: #6d5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c208b",
  "rgb": {
    "r": 28,
    "g": 32,
    "b": 139
  },
  "hsl": {
    "h": 237.838,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33141,
    "c": 0.1706,
    "h": 270.8
  },
  "luminance": 0.03144
}

Semantic roles & 50–950 ramp

primary

#1C208B

secondary

#BCB847

accent

#E33EE9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C208B

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

Preview Lab → · Contrast checker → · Palette generator →