#1C305E#1C305E

#1C305E is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.086 H 264.4°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C305E
RGB	rgb(28, 48, 94)
HSL	hsl(222, 54%, 24%)
HSV	hsv(222, 70%, 37%)
CMYK	cmyk(70.2%, 48.9%, 0%, 63.1%)
CIE-LAB	lab(20.71, 9.00, -29.89)
CIE-LCH	lch(20.71, 31.22, 286.76°)
OKLab	oklab(31.95% -0.0084 -0.0855)
OKLCH	oklch(31.95% 0.086 264.4)
XYZ	xyz(3.5555, 3.1686, 11.0117)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C305E #5E4A1C

analogous

#1C515E #1C305E #291C5E

triadic

#1C305E #5E1C30 #305E1C

tetradic

#1C305E #5E1C51 #5E4A1C #1C5E29

square

#1C305E #5E1C51 #5E4A1C #1C5E29

split-complementary

#1C305E #5E291C #515E1C

monochromatic

#070C18 #0E182F #1C305E #2A488D #3860BC

Accessibility & contrast

On white

12.85

#1C305E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C305E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C305E

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C305E	#FFFFFF	#000000	##FFFFFF
##1C305E	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193560

Deuteranopia (green-blind)

#0D2F5D

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c305e;
/* rgb */ color: rgb(28, 48, 94);
/* oklch */ color: oklch(32.0% 0.086 264.4);

Tailwind

colors: {
  custom: {
    50: '#60678c',
    500: '#1c305e',
    950: '#000000',
  },
}

SCSS

$custom: #1c305e;
$custom-light: #60678c;
$custom-dark: #000000;

JSON

{
  "hex": "#1c305e",
  "rgb": {
    "r": 28,
    "g": 48,
    "b": 94
  },
  "hsl": {
    "h": 221.818,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.31952,
    "c": 0.08588,
    "h": 264.4
  },
  "luminance": 0.03169
}

Semantic roles & 50–950 ramp

primary

#1C305E

secondary

#937B42

accent

#B14ADD

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1C305E

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

Preview Lab → · Contrast checker → · Palette generator →