#1C229E#1C229E

#1C229E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.6% C 0.192 H 269.5°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C229E
RGB	rgb(28, 34, 158)
HSL	hsl(237, 70%, 36%)
HSV	hsv(237, 82%, 62%)
CMYK	cmyk(82.3%, 78.5%, 0%, 38%)
CIE-LAB	lab(23.20, 42.80, -66.36)
CIE-LCH	lch(23.20, 78.96, 302.82°)
OKLab	oklab(35.61% -0.0016 -0.1922)
OKLCH	oklch(35.61% 0.192 269.5)
XYZ	xyz(7.2204, 3.8587, 32.7054)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C229E #9E981C

analogous

#1C639E #1C229E #571C9E

triadic

#1C229E #9E1C22 #229E1C

tetradic

#1C229E #9E1C63 #9E981C #1C9E57

square

#1C229E #9E1C63 #9E981C #1C9E57

split-complementary

#1C229E #9E571C #639E1C

monochromatic

#0A0C36 #13176A #1C229E #252DD2 #545AE1

Accessibility & contrast

On white

11.85

#1C229E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1C229E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C229E

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C229E	#FFFFFF	#000000	##FFFFFF
##1C229E	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA2

Deuteranopia (green-blind)

#00319C

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c229e;
/* rgb */ color: rgb(28, 34, 158);
/* oklch */ color: oklch(35.6% 0.192 269.5);

Tailwind

colors: {
  custom: {
    50: '#725fbc',
    500: '#1c229e',
    950: '#000000',
  },
}

SCSS

$custom: #1c229e;
$custom-light: #725fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c229e",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 158
  },
  "hsl": {
    "h": 237.231,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35613,
    "c": 0.19224,
    "h": 269.5
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#1C229E

secondary

#C4BE52

accent

#E43BED

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1C229E

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

Preview Lab → · Contrast checker → · Palette generator →