#1D339A#1D339A

#1D339A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.0% C 0.169 H 267.6°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D339A
RGB	rgb(29, 51, 154)
HSL	hsl(229, 68%, 36%)
HSV	hsv(229, 81%, 60%)
CMYK	cmyk(81.2%, 66.9%, 0%, 39.6%)
CIE-LAB	lab(26.62, 30.94, -58.26)
CIE-LCH	lch(26.62, 65.97, 297.97°)
OKLab	oklab(37.96% -0.0071 -0.1687)
OKLCH	oklch(37.96% 0.169 267.6)
XYZ	xyz(7.5212, 4.9611, 31.1268)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D339A #9A841D

analogous

#1D719A #1D339A #451D9A

triadic

#1D339A #9A1D33 #339A1D

tetradic

#1D339A #9A1D71 #9A841D #1D9A45

square

#1D339A #9A1D71 #9A841D #1D9A45

split-complementary

#1D339A #9A451D #719A1D

monochromatic

#0A1133 #132266 #1D339A #2744CE #536BDF

Accessibility & contrast

On white

10.54

#1D339A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1D339A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D339A

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D339A	#FFFFFF	#000000	##FFFFFF
##1D339A	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459D

Deuteranopia (green-blind)

#003998

Tritanopia (blue-blind)

#004F62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1d339a;
/* rgb */ color: rgb(29, 51, 154);
/* oklch */ color: oklch(38.0% 0.169 267.6);

Tailwind

colors: {
  custom: {
    50: '#706ab9',
    500: '#1d339a',
    950: '#000000',
  },
}

SCSS

$custom: #1d339a;
$custom-light: #706ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d339a",
  "rgb": {
    "r": 29,
    "g": 51,
    "b": 154
  },
  "hsl": {
    "h": 229.44,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.37962,
    "c": 0.16885,
    "h": 267.6
  },
  "luminance": 0.04962
}

Semantic roles & 50–950 ramp

primary

#1D339A

secondary

#C2AE51

accent

#CC3DEB

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1D339A

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

Preview Lab → · Contrast checker → · Palette generator →