#1D2F82#1D2F82

#1D2F82 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.141 H 268.4°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F82
RGB	rgb(29, 47, 130)
HSL	hsl(229, 64%, 31%)
HSV	hsv(229, 78%, 51%)
CMYK	cmyk(77.7%, 63.8%, 0%, 49%)
CIE-LAB	lab(23.36, 24.35, -48.75)
CIE-LCH	lch(23.36, 54.49, 296.55°)
OKLab	oklab(34.87% -0.0038 -0.1409)
OKLCH	oklch(34.87% 0.141 268.4)
XYZ	xyz(5.5511, 3.9053, 21.5760)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F82 #82701D

analogous

#1D6182 #1D2F82 #3D1D82

triadic

#1D2F82 #821D2F #2F821D

tetradic

#1D2F82 #821D61 #82701D #1D823D

square

#1D2F82 #821D61 #82701D #1D823D

split-complementary

#1D2F82 #823D1D #61821D

monochromatic

#070B1E #121D50 #1D2F82 #2841B4 #445ED5

Accessibility & contrast

On white

11.79

#1D2F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1D2F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F82

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F82	#FFFFFF	#000000	##FFFFFF
##1D2F82	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#003380

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2f82;
/* rgb */ color: rgb(29, 47, 130);
/* oklch */ color: oklch(34.9% 0.141 268.4);

Tailwind

colors: {
  custom: {
    50: '#6a67a7',
    500: '#1d2f82',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f82;
$custom-light: #6a67a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f82",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 130
  },
  "hsl": {
    "h": 229.307,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34872,
    "c": 0.14093,
    "h": 268.4
  },
  "luminance": 0.03906
}

Semantic roles & 50–950 ramp

primary

#1D2F82

secondary

#B5A146

accent

#C941E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1D2F82

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

Preview Lab → · Contrast checker → · Palette generator →