#1D349E#1D349E

#1D349E is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.5% C 0.173 H 267.4°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D349E
RGB	rgb(29, 52, 158)
HSL	hsl(229, 69%, 37%)
HSV	hsv(229, 82%, 62%)
CMYK	cmyk(81.6%, 67.1%, 0%, 38%)
CIE-LAB	lab(27.26, 31.80, -59.66)
CIE-LCH	lch(27.26, 67.61, 298.06°)
OKLab	oklab(38.54% -0.0078 -0.1728)
OKLCH	oklch(38.54% 0.173 267.4)
XYZ	xyz(7.9041, 5.1849, 32.9253)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D349E #9E871D

analogous

#1D759E #1D349E #461D9E

triadic

#1D349E #9E1D34 #349E1D

tetradic

#1D349E #9E1D75 #9E871D #1D9E46

square

#1D349E #9E1D75 #9E871D #1D9E46

split-complementary

#1D349E #9E461D #759E1D

monochromatic

#0A1237 #14236A #1D349E #2645D2 #566EE0

Accessibility & contrast

On white

10.31

#1D349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D349E

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D349E	#FFFFFF	#000000	##FFFFFF
##1D349E	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d349e;
/* rgb */ color: rgb(29, 52, 158);
/* oklch */ color: oklch(38.5% 0.173 267.4);

Tailwind

colors: {
  custom: {
    50: '#716bbc',
    500: '#1d349e',
    950: '#000000',
  },
}

SCSS

$custom: #1d349e;
$custom-light: #716bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d349e",
  "rgb": {
    "r": 29,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 229.302,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38541,
    "c": 0.17296,
    "h": 267.4
  },
  "luminance": 0.05186
}

Semantic roles & 50–950 ramp

primary

#1D349E

secondary

#C3AF54

accent

#CC3CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D349E

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

Preview Lab → · Contrast checker → · Palette generator →