#1C345D#1C345D

#1C345D is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.079 H 260.4°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C345D
RGB	rgb(28, 52, 93)
HSL	hsl(218, 54%, 24%)
HSV	hsv(218, 70%, 36%)
CMYK	cmyk(69.9%, 44.1%, 0%, 63.5%)
CIE-LAB	lab(21.92, 5.74, -27.30)
CIE-LCH	lch(21.92, 27.90, 281.87°)
OKLab	oklab(32.86% -0.0131 -0.0778)
OKLCH	oklch(32.86% 0.079 260.4)
XYZ	xyz(3.6820, 3.4928, 10.8339)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C345D #5D451C

analogous

#1C545D #1C345D #241C5D

triadic

#1C345D #5D1C34 #345D1C

tetradic

#1C345D #5D1C54 #5D451C #1C5D24

square

#1C345D #5D1C54 #5D451C #1C5D24

split-complementary

#1C345D #5D241C #545D1C

monochromatic

#070D18 #0E1A2E #1C345D #2A4E8C #3869BB

Accessibility & contrast

On white

12.36

#1C345D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C345D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C345D

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C345D	#FFFFFF	#000000	##FFFFFF
##1C345D	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21385F

Deuteranopia (green-blind)

#18325C

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c345d;
/* rgb */ color: rgb(28, 52, 93);
/* oklch */ color: oklch(32.9% 0.079 260.4);

Tailwind

colors: {
  custom: {
    50: '#606b8b',
    500: '#1c345d',
    950: '#000000',
  },
}

SCSS

$custom: #1c345d;
$custom-light: #606b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c345d",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 93
  },
  "hsl": {
    "h": 217.846,
    "s": 53.719,
    "l": 23.725
  },
  "oklch": {
    "l": 0.32864,
    "c": 0.07889,
    "h": 260.4
  },
  "luminance": 0.03493
}

Semantic roles & 50–950 ramp

primary

#1C345D

secondary

#927542

accent

#A74BDD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C345D

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

Preview Lab → · Contrast checker → · Palette generator →