#1C429B#1C429B

#1C429B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.152 H 263.6°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C429B
RGB	rgb(28, 66, 155)
HSL	hsl(222, 69%, 36%)
HSV	hsv(222, 82%, 61%)
CMYK	cmyk(81.9%, 57.4%, 0%, 39.2%)
CIE-LAB	lab(30.66, 21.07, -52.27)
CIE-LCH	lch(30.66, 56.36, 291.95°)
OKLab	oklab(40.98% -0.0169 -0.151)
OKLCH	oklch(40.98% 0.152 263.6)
XYZ	xyz(8.3414, 6.5089, 31.8207)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C429B #9B751C

analogous

#1C819B #1C429B #351C9B

triadic

#1C429B #9B1C42 #429B1C

tetradic

#1C429B #9B1C81 #9B751C #1C9B35

square

#1C429B #9B1C81 #9B751C #1C9B35

split-complementary

#1C429B #9B351C #819B1C

monochromatic

#091633 #132C67 #1C429B #2558CF #527CE0

Accessibility & contrast

On white

9.12

#1C429B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1C429B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C429B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C429B	#FFFFFF	#000000	##FFFFFF
##1C429B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1c429b;
/* rgb */ color: rgb(28, 66, 155);
/* oklch */ color: oklch(41.0% 0.152 263.6);

Tailwind

colors: {
  custom: {
    50: '#6f75b9',
    500: '#1c429b',
    950: '#000000',
  },
}

SCSS

$custom: #1c429b;
$custom-light: #6f75b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c429b",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 155
  },
  "hsl": {
    "h": 222.047,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40982,
    "c": 0.15191,
    "h": 263.6
  },
  "luminance": 0.0651
}

Semantic roles & 50–950 ramp

primary

#1C429B

secondary

#C3A050

accent

#B73CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1C429B

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

Preview Lab → · Contrast checker → · Palette generator →