#1C429F#1C429F

#1C429F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.3% C 0.157 H 263.9°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C429F
RGB	rgb(28, 66, 159)
HSL	hsl(223, 70%, 37%)
HSV	hsv(223, 82%, 62%)
CMYK	cmyk(82.4%, 58.5%, 0%, 37.6%)
CIE-LAB	lab(30.99, 22.66, -54.17)
CIE-LCH	lch(30.99, 58.72, 292.70°)
OKLab	oklab(41.33% -0.0167 -0.1565)
OKLCH	oklch(41.33% 0.157 263.9)
XYZ	xyz(8.6829, 6.6455, 33.6192)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C429F #9F791C

analogous

#1C849F #1C429F #371C9F

triadic

#1C429F #9F1C42 #429F1C

tetradic

#1C429F #9F1C84 #9F791C #1C9F37

square

#1C429F #9F1C84 #9F791C #1C9F37

split-complementary

#1C429F #9F371C #849F1C

monochromatic

#0A1737 #132C6B #1C429F #2558D3 #547DE1

Accessibility & contrast

On white

9.02

#1C429F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1C429F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C429F

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C429F	#FFFFFF	#000000	##FFFFFF
##1C429F	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c429f;
/* rgb */ color: rgb(28, 66, 159);
/* oklch */ color: oklch(41.3% 0.157 263.9);

Tailwind

colors: {
  custom: {
    50: '#7075bc',
    500: '#1c429f',
    950: '#000000',
  },
}

SCSS

$custom: #1c429f;
$custom-light: #7075bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c429f",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 159
  },
  "hsl": {
    "h": 222.595,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.41327,
    "c": 0.15742,
    "h": 263.9
  },
  "luminance": 0.06647
}

Semantic roles & 50–950 ramp

primary

#1C429F

secondary

#C4A353

accent

#B93BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C429F

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

Preview Lab → · Contrast checker → · Palette generator →