#1D439C#1D439C

#1D439C is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.3% C 0.152 H 263.6°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#1D439C
RGB	rgb(29, 67, 156)
HSL	hsl(222, 69%, 36%)
HSV	hsv(222, 81%, 61%)
CMYK	cmyk(81.4%, 57.1%, 0%, 38.8%)
CIE-LAB	lab(31.05, 20.88, -52.24)
CIE-LCH	lch(31.05, 56.26, 291.79°)
OKLab	oklab(41.31% -0.0168 -0.1508)
OKLCH	oklch(41.31% 0.152 263.6)
XYZ	xyz(8.5125, 6.6748, 32.2858)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D439C #9C761D

analogous

#1D839C #1D439C #371D9C

triadic

#1D439C #9C1D43 #439C1D

tetradic

#1D439C #9C1D83 #9C761D #1D9C37

square

#1D439C #9C1D83 #9C761D #1D9C37

split-complementary

#1D439C #9C371D #839C1D

monochromatic

#0A1735 #132D68 #1D439C #2759D0 #547EDF

Accessibility & contrast

On white

8.99

#1D439C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1D439C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D439C

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D439C	#FFFFFF	#000000	##FFFFFF
##1D439C	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9F

Deuteranopia (green-blind)

#00439A

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d439c;
/* rgb */ color: rgb(29, 67, 156);
/* oklch */ color: oklch(41.3% 0.152 263.6);

Tailwind

colors: {
  custom: {
    50: '#6f76ba',
    500: '#1d439c',
    950: '#000000',
  },
}

SCSS

$custom: #1d439c;
$custom-light: #6f76ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d439c",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 156
  },
  "hsl": {
    "h": 222.047,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.41313,
    "c": 0.15176,
    "h": 263.6
  },
  "luminance": 0.06676
}

Semantic roles & 50–950 ramp

primary

#1D439C

secondary

#C2A152

accent

#B73CEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D439C

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

Preview Lab → · Contrast checker → · Palette generator →