#1D348E#1D348E

#1D348E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.151 H 267.2°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D348E
RGB	rgb(29, 52, 142)
HSL	hsl(228, 66%, 34%)
HSV	hsv(228, 80%, 56%)
CMYK	cmyk(79.6%, 63.4%, 0%, 44.3%)
CIE-LAB	lab(25.77, 25.62, -52.28)
CIE-LCH	lch(25.77, 58.22, 296.11°)
OKLab	oklab(36.99% -0.0073 -0.1512)
OKLCH	oklch(36.99% 0.151 267.2)
XYZ	xyz(6.6155, 4.6694, 26.1386)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D348E #8E771D

analogous

#1D6C8E #1D348E #3E1D8E

triadic

#1D348E #8E1D34 #348E1D

tetradic

#1D348E #8E1D6C #8E771D #1D8E3E

square

#1D348E #8E1D6C #8E771D #1D8E3E

split-complementary

#1D348E #8E3E1D #6C8E1D

monochromatic

#080F28 #13215B #1D348E #2747C1 #4B68DA

Accessibility & contrast

On white

10.86

#1D348E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1D348E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D348E

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D348E	#FFFFFF	#000000	##FFFFFF
##1D348E	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004291

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d348e;
/* rgb */ color: rgb(29, 52, 142);
/* oklch */ color: oklch(37.0% 0.151 267.2);

Tailwind

colors: {
  custom: {
    50: '#6d6bb0',
    500: '#1d348e',
    950: '#000000',
  },
}

SCSS

$custom: #1d348e;
$custom-light: #6d6bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d348e",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 142
  },
  "hsl": {
    "h": 227.788,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36994,
    "c": 0.15136,
    "h": 267.2
  },
  "luminance": 0.0467
}

Semantic roles & 50–950 ramp

primary

#1D348E

secondary

#BDA54A

accent

#C63FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1D348E

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

Preview Lab → · Contrast checker → · Palette generator →