#1D348C#1D348C

#1D348C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.149 H 267.2°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D348C
RGB	rgb(29, 52, 140)
HSL	hsl(228, 66%, 33%)
HSV	hsv(228, 79%, 55%)
CMYK	cmyk(79.3%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(25.59, 24.84, -51.33)
CIE-LCH	lch(25.59, 57.03, 295.82°)
OKLab	oklab(36.81% -0.0073 -0.1484)
OKLCH	oklch(36.81% 0.149 267.2)
XYZ	xyz(6.4667, 4.6099, 25.3548)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D348C #8C751D

analogous

#1D6B8C #1D348C #3E1D8C

triadic

#1D348C #8C1D34 #348C1D

tetradic

#1D348C #8C1D6B #8C751D #1D8C3E

square

#1D348C #8C1D6B #8C751D #1D8C3E

split-complementary

#1D348C #8C3E1D #6B8C1D

monochromatic

#080E27 #122159 #1D348C #2847BF #4A68D9

Accessibility & contrast

On white

10.92

#1D348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1D348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D348C

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D348C	#FFFFFF	#000000	##FFFFFF
##1D348C	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#00388A

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d348c;
/* rgb */ color: rgb(29, 52, 140);
/* oklch */ color: oklch(36.8% 0.149 267.2);

Tailwind

colors: {
  custom: {
    50: '#6c6bae',
    500: '#1d348c',
    950: '#000000',
  },
}

SCSS

$custom: #1d348c;
$custom-light: #6c6bae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d348c",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 227.568,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36806,
    "c": 0.14858,
    "h": 267.2
  },
  "luminance": 0.04611
}

Semantic roles & 50–950 ramp

primary

#1D348C

secondary

#BCA449

accent

#C63FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1D348C

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

Preview Lab → · Contrast checker → · Palette generator →