#1C2297#1C2297

#1C2297 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.8% C 0.184 H 269.9°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1C2297
RGB	rgb(28, 34, 151)
HSL	hsl(237, 69%, 35%)
HSV	hsv(237, 81%, 59%)
CMYK	cmyk(81.5%, 77.5%, 0%, 40.8%)
CIE-LAB	lab(22.39, 40.40, -63.41)
CIE-LCH	lch(22.39, 75.18, 302.51°)
OKLab	oklab(34.81% -0.0004 -0.1837)
OKLCH	oklch(34.81% 0.184 269.9)
XYZ	xyz(6.6349, 3.6245, 29.6221)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2297 #97911C

analogous

#1C6097 #1C2297 #531C97

triadic

#1C2297 #971C22 #22971C

tetradic

#1C2297 #971C60 #97911C #1C9753

square

#1C2297 #971C60 #97911C #1C9753

split-complementary

#1C2297 #97531C #60971C

monochromatic

#090B30 #121663 #1C2297 #262ECB #4F56DE

Accessibility & contrast

On white

12.17

#1C2297 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1C2297 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2297

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2297	#FFFFFF	#000000	##FFFFFF
##1C2297	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00455B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c2297;
/* rgb */ color: rgb(28, 34, 151);
/* oklch */ color: oklch(34.8% 0.184 269.9);

Tailwind

colors: {
  custom: {
    50: '#705fb7',
    500: '#1c2297',
    950: '#000000',
  },
}

SCSS

$custom: #1c2297;
$custom-light: #705fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2297",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 151
  },
  "hsl": {
    "h": 237.073,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34805,
    "c": 0.18366,
    "h": 269.9
  },
  "luminance": 0.03625
}

Semantic roles & 50–950 ramp

primary

#1C2297

secondary

#C1BB4E

accent

#E33CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C2297

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

Preview Lab → · Contrast checker → · Palette generator →