#1C2397#1C2397

#1C2397 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.183 H 269.8°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1C2397
RGB	rgb(28, 35, 151)
HSL	hsl(237, 69%, 35%)
HSV	hsv(237, 81%, 59%)
CMYK	cmyk(81.5%, 76.8%, 0%, 40.8%)
CIE-LAB	lab(22.59, 39.83, -63.07)
CIE-LCH	lch(22.59, 74.59, 302.27°)
OKLab	oklab(34.95% -0.0008 -0.1827)
OKLCH	oklch(34.95% 0.183 269.8)
XYZ	xyz(6.6639, 3.6825, 29.6317)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2397 #97901C

analogous

#1C6197 #1C2397 #521C97

triadic

#1C2397 #971C23 #23971C

tetradic

#1C2397 #971C61 #97901C #1C9752

square

#1C2397 #971C61 #97901C #1C9752

split-complementary

#1C2397 #97521C #61971C

monochromatic

#090B30 #121763 #1C2397 #262FCB #4F57DE

Accessibility & contrast

On white

12.09

#1C2397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C2397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2397

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2397	#FFFFFF	#000000	##FFFFFF
##1C2397	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9A

Deuteranopia (green-blind)

#003095

Tritanopia (blue-blind)

#00465B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2397;
/* rgb */ color: rgb(28, 35, 151);
/* oklch */ color: oklch(34.9% 0.183 269.8);

Tailwind

colors: {
  custom: {
    50: '#705fb7',
    500: '#1c2397',
    950: '#000000',
  },
}

SCSS

$custom: #1c2397;
$custom-light: #705fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2397",
  "rgb": {
    "r": 28,
    "g": 35,
    "b": 151
  },
  "hsl": {
    "h": 236.585,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34949,
    "c": 0.18269,
    "h": 269.8
  },
  "luminance": 0.03683
}

Semantic roles & 50–950 ramp

primary

#1C2397

secondary

#C1BA4E

accent

#E23CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1C2397

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

Preview Lab → · Contrast checker → · Palette generator →