#1C2882#1C2882

#1C2882 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.150 H 269.9°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1C2882
RGB	rgb(28, 40, 130)
HSL	hsl(233, 65%, 31%)
HSV	hsv(233, 78%, 51%)
CMYK	cmyk(78.5%, 69.2%, 0%, 49%)
CIE-LAB	lab(21.49, 29.02, -51.81)
CIE-LCH	lch(21.49, 59.38, 299.25°)
OKLab	oklab(33.49% -0.0003 -0.1499)
OKLCH	oklch(33.49% 0.15 269.9)
XYZ	xyz(5.2656, 3.3756, 21.4888)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2882 #82761C

analogous

#1C5B82 #1C2882 #431C82

triadic

#1C2882 #821C28 #28821C

tetradic

#1C2882 #821C5B #82761C #1C8243

square

#1C2882 #821C5B #82761C #1C8243

split-complementary

#1C2882 #82431C #5B821C

monochromatic

#06091D #111950 #1C2882 #2737B4 #4254D6

Accessibility & contrast

On white

12.54

#1C2882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1C2882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2882

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2882	#FFFFFF	#000000	##FFFFFF
##1C2882	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003885

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2882;
/* rgb */ color: rgb(28, 40, 130);
/* oklch */ color: oklch(33.5% 0.150 269.9);

Tailwind

colors: {
  custom: {
    50: '#6a62a7',
    500: '#1c2882',
    950: '#000000',
  },
}

SCSS

$custom: #1c2882;
$custom-light: #6a62a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2882",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 130
  },
  "hsl": {
    "h": 232.941,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33487,
    "c": 0.14992,
    "h": 269.9
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#1C2882

secondary

#B5A844

accent

#D440E8

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1C2882

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

Preview Lab → · Contrast checker → · Palette generator →