#1C2779#1C2779

#1C2779 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.4% C 0.139 H 270.4°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#1C2779
RGB	rgb(28, 39, 121)
HSL	hsl(233, 62%, 29%)
HSV	hsv(233, 77%, 47%)
CMYK	cmyk(76.9%, 67.8%, 0%, 52.5%)
CIE-LAB	lab(20.35, 26.23, -47.96)
CIE-LCH	lch(20.35, 54.67, 298.68°)
OKLab	oklab(32.39% 0.001 -0.1387)
OKLCH	oklch(32.39% 0.139 270.4)
XYZ	xyz(4.6544, 3.0779, 18.4342)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2779 #796E1C

analogous

#1C5679 #1C2779 #401C79

triadic

#1C2779 #791C27 #27791C

tetradic

#1C2779 #791C56 #796E1C #1C7940

square

#1C2779 #791C56 #796E1C #1C7940

split-complementary

#1C2779 #79401C #56791C

monochromatic

#060819 #101747 #1C2779 #2837AB #3D4FD2

Accessibility & contrast

On white

13.00

#1C2779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1C2779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2779

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2779	#FFFFFF	#000000	##FFFFFF
##1C2779	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367C

Deuteranopia (green-blind)

#002D77

Tritanopia (blue-blind)

#003D4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2779;
/* rgb */ color: rgb(28, 39, 121);
/* oklch */ color: oklch(32.4% 0.139 270.4);

Tailwind

colors: {
  custom: {
    50: '#6861a1',
    500: '#1c2779',
    950: '#000000',
  },
}

SCSS

$custom: #1c2779;
$custom-light: #6861a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2779",
  "rgb": {
    "r": 28,
    "g": 39,
    "b": 121
  },
  "hsl": {
    "h": 232.903,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32389,
    "c": 0.13869,
    "h": 270.4
  },
  "luminance": 0.03078
}

Semantic roles & 50–950 ramp

primary

#1C2779

secondary

#ADA144

accent

#D242E5

background

#F6F5FA

surface

#EBE9F3

border

#C6C5CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1C2779

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

Preview Lab → · Contrast checker → · Palette generator →