#1C2C79#1C2C79

#1C2C79 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.132 H 268.9°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C2C79
RGB	rgb(28, 44, 121)
HSL	hsl(230, 62%, 29%)
HSV	hsv(230, 77%, 47%)
CMYK	cmyk(76.9%, 63.6%, 0%, 52.5%)
CIE-LAB	lab(21.68, 22.77, -45.79)
CIE-LCH	lch(21.68, 51.14, 296.44°)
OKLab	oklab(33.37% -0.0025 -0.1323)
OKLCH	oklch(33.37% 0.132 268.9)
XYZ	xyz(4.8296, 3.4282, 18.4926)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2C79 #79691C

analogous

#1C5B79 #1C2C79 #3B1C79

triadic

#1C2C79 #791C2C #2C791C

tetradic

#1C2C79 #791C5B #79691C #1C793B

square

#1C2C79 #791C5B #79691C #1C793B

split-complementary

#1C2C79 #793B1C #5B791C

monochromatic

#060919 #101A47 #1C2C79 #283EAB #3D57D2

Accessibility & contrast

On white

12.46

#1C2C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2C79

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2C79	#FFFFFF	#000000	##FFFFFF
##1C2C79	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387C

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2c79;
/* rgb */ color: rgb(28, 44, 121);
/* oklch */ color: oklch(33.4% 0.132 268.9);

Tailwind

colors: {
  custom: {
    50: '#6764a0',
    500: '#1c2c79',
    950: '#000000',
  },
}

SCSS

$custom: #1c2c79;
$custom-light: #6764a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2c79",
  "rgb": {
    "r": 28,
    "g": 44,
    "b": 121
  },
  "hsl": {
    "h": 229.677,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33368,
    "c": 0.13228,
    "h": 268.9
  },
  "luminance": 0.03429
}

Semantic roles & 50–950 ramp

primary

#1C2C79

secondary

#AD9B44

accent

#C942E5

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1C2C79

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

Preview Lab → · Contrast checker → · Palette generator →