#1C2689#1C2689

#1C2689 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.9% C 0.162 H 270.0°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C2689
RGB	rgb(28, 38, 137)
HSL	hsl(234, 66%, 32%)
HSV	hsv(234, 80%, 54%)
CMYK	cmyk(79.6%, 72.3%, 0%, 46.3%)
CIE-LAB	lab(21.72, 32.96, -55.82)
CIE-LCH	lch(21.72, 64.82, 300.56°)
OKLab	oklab(33.87% 0 -0.1616)
OKLCH	oklch(33.87% 0.162 270)
XYZ	xyz(5.6858, 3.4386, 24.0261)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2689 #897F1C

analogous

#1C5D89 #1C2689 #481C89

triadic

#1C2689 #891C26 #26891C

tetradic

#1C2689 #891C5D #897F1C #1C8948

square

#1C2689 #891C5D #897F1C #1C8948

split-complementary

#1C2689 #89481C #5D891C

monochromatic

#070A23 #121856 #1C2689 #2634BC #4654D9

Accessibility & contrast

On white

12.44

#1C2689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2689

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2689	#FFFFFF	#000000	##FFFFFF
##1C2689	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#002F87

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2689;
/* rgb */ color: rgb(28, 38, 137);
/* oklch */ color: oklch(33.9% 0.162 270.0);

Tailwind

colors: {
  custom: {
    50: '#6c61ac',
    500: '#1c2689',
    950: '#000000',
  },
}

SCSS

$custom: #1c2689;
$custom-light: #6c61ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2689",
  "rgb": {
    "r": 28,
    "g": 38,
    "b": 137
  },
  "hsl": {
    "h": 234.495,
    "s": 66.061,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33871,
    "c": 0.16163,
    "h": 270
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#1C2689

secondary

#BBB046

accent

#D93FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1C2689

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

Preview Lab → · Contrast checker → · Palette generator →