#1D305C#1D305C

#1D305C is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.9% C 0.082 H 264.6°. Best body text is #FFFFFF at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D305C
RGB	rgb(29, 48, 92)
HSL	hsl(222, 52%, 24%)
HSV	hsv(222, 68%, 36%)
CMYK	cmyk(68.5%, 47.8%, 0%, 63.9%)
CIE-LAB	lab(20.63, 8.40, -28.70)
CIE-LCH	lch(20.63, 29.91, 286.30°)
OKLab	oklab(31.86% -0.0077 -0.0819)
OKLCH	oklch(31.86% 0.082 264.6)
XYZ	xyz(3.4947, 3.1475, 10.5465)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D305C #5C491D

analogous

#1D4F5C #1D305C #291D5C

triadic

#1D305C #5C1D30 #305C1D

tetradic

#1D305C #5C1D4F #5C491D #1D5C29

square

#1D305C #5C1D4F #5C491D #1D5C29

split-complementary

#1D305C #5C291D #4F5C1D

monochromatic

#070C17 #0E182D #1D305C #2C488B #3A61B9

Accessibility & contrast

On white

12.89

#1D305C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D305C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D305C

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D305C	#FFFFFF	#000000	##FFFFFF
##1D305C	1.00	12.89	1.63	12.89
#FFFFFF	12.89	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B355E

Deuteranopia (green-blind)

#112F5B

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d305c;
/* rgb */ color: rgb(29, 48, 92);
/* oklch */ color: oklch(31.9% 0.082 264.6);

Tailwind

colors: {
  custom: {
    50: '#60678a',
    500: '#1d305c',
    950: '#000000',
  },
}

SCSS

$custom: #1d305c;
$custom-light: #60678a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d305c",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 92
  },
  "hsl": {
    "h": 221.905,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3186,
    "c": 0.08231,
    "h": 264.6
  },
  "luminance": 0.03148
}

Semantic roles & 50–950 ramp

primary

#1D305C

secondary

#917A44

accent

#B04CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1D305C

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

Preview Lab → · Contrast checker → · Palette generator →