#1C2879#1C2879

#1C2879 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.137 H 270.1°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#1C2879
RGB	rgb(28, 40, 121)
HSL	hsl(232, 62%, 29%)
HSV	hsv(232, 77%, 47%)
CMYK	cmyk(76.9%, 66.9%, 0%, 52.5%)
CIE-LAB	lab(20.61, 25.55, -47.54)
CIE-LCH	lch(20.61, 53.97, 298.25°)
OKLab	oklab(32.58% 0.0003 -0.1374)
OKLCH	oklch(32.58% 0.137 270.1)
XYZ	xyz(4.6877, 3.1444, 18.4453)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2879 #796D1C

analogous

#1C5779 #1C2879 #3F1C79

triadic

#1C2879 #791C28 #28791C

tetradic

#1C2879 #791C57 #796D1C #1C793F

square

#1C2879 #791C57 #796D1C #1C793F

split-complementary

#1C2879 #793F1C #57791C

monochromatic

#060819 #101847 #1C2879 #2838AB #3D50D2

Accessibility & contrast

On white

12.89

#1C2879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C2879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2879

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2879	#FFFFFF	#000000	##FFFFFF
##1C2879	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)

#00367C

Deuteranopia (green-blind)

#002D77

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2879;
/* rgb */ color: rgb(28, 40, 121);
/* oklch */ color: oklch(32.6% 0.137 270.1);

Tailwind

colors: {
  custom: {
    50: '#6862a1',
    500: '#1c2879',
    950: '#000000',
  },
}

SCSS

$custom: #1c2879;
$custom-light: #6862a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2879",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 121
  },
  "hsl": {
    "h": 232.258,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32579,
    "c": 0.13743,
    "h": 270.1
  },
  "luminance": 0.03145
}

Semantic roles & 50–950 ramp

primary

#1C2879

secondary

#AD9F44

accent

#D042E5

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2879

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

Preview Lab → · Contrast checker → · Palette generator →