#1C345C#1C345C

#1C345C is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.8% C 0.077 H 260.1°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C345C
RGB	rgb(28, 52, 92)
HSL	hsl(218, 53%, 24%)
HSV	hsv(218, 70%, 36%)
CMYK	cmyk(69.6%, 43.5%, 0%, 63.9%)
CIE-LAB	lab(21.85, 5.34, -26.75)
CIE-LCH	lch(21.85, 27.27, 281.29°)
OKLab	oklab(32.79% -0.0134 -0.0762)
OKLCH	oklch(32.79% 0.077 260.1)
XYZ	xyz(3.6380, 3.4752, 10.6022)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C345C #5C441C

analogous

#1C545C #1C345C #241C5C

triadic

#1C345C #5C1C34 #345C1C

tetradic

#1C345C #5C1C54 #5C441C #1C5C24

square

#1C345C #5C1C54 #5C441C #1C5C24

split-complementary

#1C345C #5C241C #545C1C

monochromatic

#070D17 #0E192D #1C345C #2A4F8B #3969BA

Accessibility & contrast

On white

12.39

#1C345C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1C345C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C345C

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C345C	#FFFFFF	#000000	##FFFFFF
##1C345C	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22385E

Deuteranopia (green-blind)

#18325B

Tritanopia (blue-blind)

#003D43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c345c;
/* rgb */ color: rgb(28, 52, 92);
/* oklch */ color: oklch(32.8% 0.077 260.1);

Tailwind

colors: {
  custom: {
    50: '#606b8a',
    500: '#1c345c',
    950: '#000000',
  },
}

SCSS

$custom: #1c345c;
$custom-light: #606b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c345c",
  "rgb": {
    "r": 28,
    "g": 52,
    "b": 92
  },
  "hsl": {
    "h": 217.5,
    "s": 53.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.32794,
    "c": 0.07732,
    "h": 260.1
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#1C345C

secondary

#917442

accent

#A64BDD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C345C

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

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