#1C2479#1C2479

#1C2479 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.142 H 271.2°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1C2479
RGB	rgb(28, 36, 121)
HSL	hsl(235, 62%, 29%)
HSV	hsv(235, 77%, 47%)
CMYK	cmyk(76.9%, 70.2%, 0%, 52.5%)
CIE-LAB	lab(19.59, 28.27, -49.21)
CIE-LCH	lch(19.59, 56.75, 299.87°)
OKLab	oklab(31.83% 0.003 -0.1423)
OKLCH	oklch(31.83% 0.142 271.2)
XYZ	xyz(4.5598, 2.8886, 18.4027)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2479 #79711C

analogous

#1C5379 #1C2479 #431C79

triadic

#1C2479 #791C24 #24791C

tetradic

#1C2479 #791C53 #79711C #1C7943

square

#1C2479 #791C53 #79711C #1C7943

split-complementary

#1C2479 #79431C #53791C

monochromatic

#060719 #101547 #1C2479 #2833AB #3D4AD2

Accessibility & contrast

On white

13.31

#1C2479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C2479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2479

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2479	#FFFFFF	#000000	##FFFFFF
##1C2479	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c2479;
/* rgb */ color: rgb(28, 36, 121);
/* oklch */ color: oklch(31.8% 0.142 271.2);

Tailwind

colors: {
  custom: {
    50: '#685fa1',
    500: '#1c2479',
    950: '#000000',
  },
}

SCSS

$custom: #1c2479;
$custom-light: #685fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2479",
  "rgb": {
    "r": 28,
    "g": 36,
    "b": 121
  },
  "hsl": {
    "h": 234.839,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31834,
    "c": 0.14238,
    "h": 271.2
  },
  "luminance": 0.02889
}

Semantic roles & 50–950 ramp

primary

#1C2479

secondary

#ADA444

accent

#D742E5

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C2479

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

Preview Lab → · Contrast checker → · Palette generator →