#1C2291#1C2291

#1C2291 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.1% C 0.176 H 270.2°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#1C2291
RGB	rgb(28, 34, 145)
HSL	hsl(237, 68%, 34%)
HSV	hsv(237, 81%, 57%)
CMYK	cmyk(80.7%, 76.6%, 0%, 43.1%)
CIE-LAB	lab(21.71, 38.31, -60.83)
CIE-LCH	lch(21.71, 71.89, 302.21°)
OKLab	oklab(34.12% 0.0006 -0.1762)
OKLCH	oklch(34.12% 0.176 270.2)
XYZ	xyz(6.1600, 3.4346, 27.1209)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2291 #918B1C

analogous

#1C5D91 #1C2291 #511C91

triadic

#1C2291 #911C22 #22911C

tetradic

#1C2291 #911C5D #918B1C #1C9151

square

#1C2291 #911C5D #918B1C #1C9151

split-complementary

#1C2291 #91511C #5D911C

monochromatic

#080A2A #12165E #1C2291 #262EC4 #4B53DC

Accessibility & contrast

On white

12.45

#1C2291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2291

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2291	#FFFFFF	#000000	##FFFFFF
##1C2291	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A94

Deuteranopia (green-blind)

#002E8F

Tritanopia (blue-blind)

#004358

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2291;
/* rgb */ color: rgb(28, 34, 145);
/* oklch */ color: oklch(34.1% 0.176 270.2);

Tailwind

colors: {
  custom: {
    50: '#6f5eb2',
    500: '#1c2291',
    950: '#000000',
  },
}

SCSS

$custom: #1c2291;
$custom-light: #6f5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2291",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 145
  },
  "hsl": {
    "h": 236.923,
    "s": 67.63,
    "l": 33.922
  },
  "oklch": {
    "l": 0.3412,
    "c": 0.17618,
    "h": 270.2
  },
  "luminance": 0.03435
}

Semantic roles & 50–950 ramp

primary

#1C2291

secondary

#BEB84A

accent

#E23DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C2291

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

Preview Lab → · Contrast checker → · Palette generator →