#1C2687#1C2687

#1C2687 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.159 H 270.1°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#1C2687
RGB	rgb(28, 38, 135)
HSL	hsl(234, 66%, 32%)
HSV	hsv(234, 79%, 53%)
CMYK	cmyk(79.3%, 71.9%, 0%, 47.1%)
CIE-LAB	lab(21.51, 32.21, -54.91)
CIE-LCH	lch(21.51, 63.66, 300.40°)
OKLab	oklab(33.66% 0.0003 -0.159)
OKLCH	oklch(33.66% 0.159 270.1)
XYZ	xyz(5.5437, 3.3818, 23.2775)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2687 #877D1C

analogous

#1C5B87 #1C2687 #481C87

triadic

#1C2687 #871C26 #26871C

tetradic

#1C2687 #871C5B #877D1C #1C8748

square

#1C2687 #871C5B #877D1C #1C8748

split-complementary

#1C2687 #87481C #5B871C

monochromatic

#070922 #111854 #1C2687 #2734BA #4553D8

Accessibility & contrast

On white

12.53

#1C2687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1C2687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2687

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2687	#FFFFFF	#000000	##FFFFFF
##1C2687	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#002E85

Tritanopia (blue-blind)

#004153

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2687;
/* rgb */ color: rgb(28, 38, 135);
/* oklch */ color: oklch(33.7% 0.159 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c61ab',
    500: '#1c2687',
    950: '#000000',
  },
}

SCSS

$custom: #1c2687;
$custom-light: #6c61ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2687",
  "rgb": {
    "r": 28,
    "g": 38,
    "b": 135
  },
  "hsl": {
    "h": 234.393,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33658,
    "c": 0.15899,
    "h": 270.1
  },
  "luminance": 0.03382
}

Semantic roles & 50–950 ramp

primary

#1C2687

secondary

#BAAF45

accent

#D93FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2687

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

Preview Lab → · Contrast checker → · Palette generator →