#1C2197#1C2197

#1C2197 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.185 H 270.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1C2197
RGB	rgb(28, 33, 151)
HSL	hsl(238, 69%, 35%)
HSV	hsv(238, 81%, 59%)
CMYK	cmyk(81.5%, 78.1%, 0%, 40.8%)
CIE-LAB	lab(22.19, 40.97, -63.74)
CIE-LCH	lch(22.19, 75.77, 302.74°)
OKLab	oklab(34.66% -0.0001 -0.1846)
OKLCH	oklch(34.66% 0.185 270)
XYZ	xyz(6.6068, 3.5682, 29.6127)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2197 #97921C

analogous

#1C5E97 #1C2197 #541C97

triadic

#1C2197 #971C21 #21971C

tetradic

#1C2197 #971C5E #97921C #1C9754

square

#1C2197 #971C5E #97921C #1C9754

split-complementary

#1C2197 #97541C #5E971C

monochromatic

#090A30 #121663 #1C2197 #262CCB #4F55DE

Accessibility & contrast

On white

12.25

#1C2197 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1C2197 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2197

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2197	#FFFFFF	#000000	##FFFFFF
##1C2197	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#002F95

Tritanopia (blue-blind)

#00455B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1c2197;
/* rgb */ color: rgb(28, 33, 151);
/* oklch */ color: oklch(34.7% 0.185 270.0);

Tailwind

colors: {
  custom: {
    50: '#715eb7',
    500: '#1c2197',
    950: '#000000',
  },
}

SCSS

$custom: #1c2197;
$custom-light: #715eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2197",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 151
  },
  "hsl": {
    "h": 237.561,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34663,
    "c": 0.18461,
    "h": 270
  },
  "luminance": 0.03569
}

Semantic roles & 50–950 ramp

primary

#1C2197

secondary

#C1BC4E

accent

#E43CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1C2197

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

Preview Lab → · Contrast checker → · Palette generator →