#1D348D#1D348D

#1D348D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.150 H 267.2°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D348D
RGB	rgb(29, 52, 141)
HSL	hsl(228, 66%, 33%)
HSV	hsv(228, 79%, 55%)
CMYK	cmyk(79.4%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.68, 25.23, -51.81)
CIE-LCH	lch(25.68, 57.62, 295.97°)
OKLab	oklab(36.9% -0.0073 -0.1498)
OKLCH	oklch(36.9% 0.15 267.2)
XYZ	xyz(6.5407, 4.6395, 25.7449)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D348D #8D761D

analogous

#1D6C8D #1D348D #3E1D8D

triadic

#1D348D #8D1D34 #348D1D

tetradic

#1D348D #8D1D6C #8D761D #1D8D3E

square

#1D348D #8D1D6C #8D761D #1D8D3E

split-complementary

#1D348D #8D3E1D #6C8D1D

monochromatic

#080F27 #13215A #1D348D #2747C0 #4B68DA

Accessibility & contrast

On white

10.89

#1D348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1D348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D348D

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D348D	#FFFFFF	#000000	##FFFFFF
##1D348D	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d348d;
/* rgb */ color: rgb(29, 52, 141);
/* oklch */ color: oklch(36.9% 0.150 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c6baf',
    500: '#1d348d',
    950: '#000000',
  },
}

SCSS

$custom: #1d348d;
$custom-light: #6c6baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d348d",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 227.679,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.369,
    "c": 0.14997,
    "h": 267.2
  },
  "luminance": 0.0464
}

Semantic roles & 50–950 ramp

primary

#1D348D

secondary

#BCA54A

accent

#C63FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D348D

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

Preview Lab → · Contrast checker → · Palette generator →