#1C348D#1C348D

#1C348D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.150 H 266.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#1C348D
RGB	rgb(28, 52, 141)
HSL	hsl(227, 67%, 33%)
HSV	hsv(227, 80%, 55%)
CMYK	cmyk(80.1%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.64, 25.13, -51.88)
CIE-LCH	lch(25.64, 57.64, 295.84°)
OKLab	oklab(36.86% -0.0082 -0.15)
OKLCH	oklch(36.86% 0.15 266.9)
XYZ	xyz(6.5129, 4.6252, 25.7436)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C348D #8D751C

analogous

#1C6C8D #1C348D #3D1C8D

triadic

#1C348D #8D1C34 #348D1C

tetradic

#1C348D #8D1C6C #8D751C #1C8D3D

square

#1C348D #8D1C6C #8D751C #1C8D3D

split-complementary

#1C348D #8D3D1C #6C8D1C

monochromatic

#080E27 #12215A #1C348D #2647C0 #4968DB

Accessibility & contrast

On white

10.91

#1C348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1C348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C348D

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C348D	#FFFFFF	#000000	##FFFFFF
##1C348D	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c348d;
/* rgb */ color: rgb(28, 52, 141);
/* oklch */ color: oklch(36.9% 0.150 266.9);

Tailwind

colors: {
  custom: {
    50: '#6c6baf',
    500: '#1c348d',
    950: '#000000',
  },
}

SCSS

$custom: #1c348d;
$custom-light: #6c6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c348d",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 227.257,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36856,
    "c": 0.15024,
    "h": 266.9
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#1C348D

secondary

#BDA448

accent

#C53EEA

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1C348D

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

Preview Lab → · Contrast checker → · Palette generator →