#1C349E#1C349E

#1C349E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.173 H 267.1°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C349E
RGB	rgb(28, 52, 158)
HSL	hsl(229, 70%, 36%)
HSV	hsv(229, 82%, 62%)
CMYK	cmyk(82.3%, 67.1%, 0%, 38%)
CIE-LAB	lab(27.22, 31.72, -59.73)
CIE-LCH	lch(27.22, 67.63, 297.97°)
OKLab	oklab(38.5% -0.0087 -0.173)
OKLCH	oklch(38.5% 0.173 267.1)
XYZ	xyz(7.8763, 5.1705, 32.9240)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C349E #9E861C

analogous

#1C759E #1C349E #451C9E

triadic

#1C349E #9E1C34 #349E1C

tetradic

#1C349E #9E1C75 #9E861C #1C9E45

square

#1C349E #9E1C75 #9E861C #1C9E45

split-complementary

#1C349E #9E451C #759E1C

monochromatic

#0A1236 #13236A #1C349E #2545D2 #546EE1

Accessibility & contrast

On white

10.32

#1C349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#1C349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C349E

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C349E	#FFFFFF	#000000	##FFFFFF
##1C349E	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1c349e;
/* rgb */ color: rgb(28, 52, 158);
/* oklch */ color: oklch(38.5% 0.173 267.1);

Tailwind

colors: {
  custom: {
    50: '#716bbc',
    500: '#1c349e',
    950: '#000000',
  },
}

SCSS

$custom: #1c349e;
$custom-light: #716bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c349e",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 228.923,
    "s": 69.892,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38501,
    "c": 0.17322,
    "h": 267.1
  },
  "luminance": 0.05171
}

Semantic roles & 50–950 ramp

primary

#1C349E

secondary

#C4AF52

accent

#CC3BED

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1C349E

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

Preview Lab → · Contrast checker → · Palette generator →