#1C2787#1C2787

#1C2787 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.158 H 269.9°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1C2787
RGB	rgb(28, 39, 135)
HSL	hsl(234, 66%, 32%)
HSV	hsv(234, 79%, 53%)
CMYK	cmyk(79.3%, 71.1%, 0%, 47.1%)
CIE-LAB	lab(21.75, 31.57, -54.52)
CIE-LCH	lch(21.75, 63.00, 300.07°)
OKLab	oklab(33.83% -0.0002 -0.1578)
OKLCH	oklch(33.83% 0.158 269.9)
XYZ	xyz(5.5761, 3.4466, 23.2883)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2787 #877C1C

analogous

#1C5D87 #1C2787 #471C87

triadic

#1C2787 #871C27 #27871C

tetradic

#1C2787 #871C5D #877C1C #1C8747

square

#1C2787 #871C5D #877C1C #1C8747

split-complementary

#1C2787 #87471C #5D871C

monochromatic

#070A22 #111854 #1C2787 #2736BA #4554D8

Accessibility & contrast

On white

12.43

#1C2787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2787

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2787	#FFFFFF	#000000	##FFFFFF
##1C2787	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#002F85

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2787;
/* rgb */ color: rgb(28, 39, 135);
/* oklch */ color: oklch(33.8% 0.158 269.9);

Tailwind

colors: {
  custom: {
    50: '#6c61ab',
    500: '#1c2787',
    950: '#000000',
  },
}

SCSS

$custom: #1c2787;
$custom-light: #6c61ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2787",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 135
  },
  "hsl": {
    "h": 233.832,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3383,
    "c": 0.15784,
    "h": 269.9
  },
  "luminance": 0.03447
}

Semantic roles & 50–950 ramp

primary

#1C2787

secondary

#BAAE45

accent

#D73FE9

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2787

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

Preview Lab → · Contrast checker → · Palette generator →