#1C429A#1C429A

#1C429A is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.151 H 263.5°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1C429A
RGB	rgb(28, 66, 154)
HSL	hsl(222, 69%, 36%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(81.8%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(30.58, 20.67, -51.79)
CIE-LCH	lch(30.58, 55.77, 291.75°)
OKLab	oklab(40.9% -0.017 -0.1496)
OKLCH	oklch(40.9% 0.151 263.5)
XYZ	xyz(8.2578, 6.4754, 31.3802)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C429A #9A741C

analogous

#1C819A #1C429A #351C9A

triadic

#1C429A #9A1C42 #429A1C

tetradic

#1C429A #9A1C81 #9A741C #1C9A35

square

#1C429A #9A1C81 #9A741C #1C9A35

split-complementary

#1C429A #9A351C #819A1C

monochromatic

#091632 #132C66 #1C429A #2558CE #517CDF

Accessibility & contrast

On white

9.15

#1C429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C429A

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C429A	#FFFFFF	#000000	##FFFFFF
##1C429A	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9D

Deuteranopia (green-blind)

#004298

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c429a;
/* rgb */ color: rgb(28, 66, 154);
/* oklch */ color: oklch(40.9% 0.151 263.5);

Tailwind

colors: {
  custom: {
    50: '#6e75b8',
    500: '#1c429a',
    950: '#000000',
  },
}

SCSS

$custom: #1c429a;
$custom-light: #6e75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c429a",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 221.905,
    "s": 69.231,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40896,
    "c": 0.15052,
    "h": 263.5
  },
  "luminance": 0.06476
}

Semantic roles & 50–950 ramp

primary

#1C429A

secondary

#C2A050

accent

#B73CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1C429A

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

Preview Lab → · Contrast checker → · Palette generator →