#1D305E#1D305E

#1D305E is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.0% C 0.086 H 265.1°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#1D305E
RGB	rgb(29, 48, 94)
HSL	hsl(222, 53%, 24%)
HSV	hsv(222, 69%, 37%)
CMYK	cmyk(69.1%, 48.9%, 0%, 63.1%)
CIE-LAB	lab(20.76, 9.20, -29.80)
CIE-LCH	lch(20.76, 31.19, 287.15°)
OKLab	oklab(32.01% -0.0074 -0.0852)
OKLCH	oklch(32.01% 0.086 265.1)
XYZ	xyz(3.5833, 3.1829, 11.0130)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D305E #5E4B1D

analogous

#1D515E #1D305E #2B1D5E

triadic

#1D305E #5E1D30 #305E1D

tetradic

#1D305E #5E1D51 #5E4B1D #1D5E2B

square

#1D305E #5E1D51 #5E4B1D #1D5E2B

split-complementary

#1D305E #5E2B1D #515E1D

monochromatic

#070C17 #0F182F #1D305E #2B488D #3A60BC

Accessibility & contrast

On white

12.83

#1D305E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D305E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D305E

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D305E	#FFFFFF	#000000	##FFFFFF
##1D305E	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3560

Deuteranopia (green-blind)

#0E2F5D

Tritanopia (blue-blind)

#003B42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d305e;
/* rgb */ color: rgb(29, 48, 94);
/* oklch */ color: oklch(32.0% 0.086 265.1);

Tailwind

colors: {
  custom: {
    50: '#61678c',
    500: '#1d305e',
    950: '#000000',
  },
}

SCSS

$custom: #1d305e;
$custom-light: #61678c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d305e",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 94
  },
  "hsl": {
    "h": 222.462,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.32009,
    "c": 0.0855,
    "h": 265.1
  },
  "luminance": 0.03183
}

Semantic roles & 50–950 ramp

primary

#1D305E

secondary

#937C44

accent

#B24CDC

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D305E

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

Preview Lab → · Contrast checker → · Palette generator →