#1C348C#1C348C

#1C348C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.149 H 266.8°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1C348C
RGB	rgb(28, 52, 140)
HSL	hsl(227, 67%, 33%)
HSV	hsv(227, 80%, 55%)
CMYK	cmyk(80%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(25.55, 24.73, -51.40)
CIE-LCH	lch(25.55, 57.04, 295.69°)
OKLab	oklab(36.76% -0.0082 -0.1486)
OKLCH	oklch(36.76% 0.149 266.8)
XYZ	xyz(6.4388, 4.5956, 25.3535)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C348C #8C741C

analogous

#1C6C8C #1C348C #3C1C8C

triadic

#1C348C #8C1C34 #348C1C

tetradic

#1C348C #8C1C6C #8C741C #1C8C3C

square

#1C348C #8C1C6C #8C741C #1C8C3C

split-complementary

#1C348C #8C3C1C #6C8C1C

monochromatic

#080E26 #122159 #1C348C #2647BF #4867DA

Accessibility & contrast

On white

10.94

#1C348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1C348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C348C

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C348C	#FFFFFF	#000000	##FFFFFF
##1C348C	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00378A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c348c;
/* rgb */ color: rgb(28, 52, 140);
/* oklch */ color: oklch(36.8% 0.149 266.8);

Tailwind

colors: {
  custom: {
    50: '#6c6bae',
    500: '#1c348c',
    950: '#000000',
  },
}

SCSS

$custom: #1c348c;
$custom-light: #6c6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c348c",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 227.143,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.14885,
    "h": 266.8
  },
  "luminance": 0.04596
}

Semantic roles & 50–950 ramp

primary

#1C348C

secondary

#BCA348

accent

#C53EEA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C348C

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

Preview Lab → · Contrast checker → · Palette generator →