#1D1F85#1D1F85

#1D1F85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.164 H 271.8°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#1D1F85
RGB	rgb(29, 31, 133)
HSL	hsl(239, 64%, 32%)
HSV	hsv(239, 78%, 52%)
CMYK	cmyk(78.2%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(19.78, 35.95, -56.51)
CIE-LCH	lch(19.78, 66.98, 302.46°)
OKLab	oklab(32.37% 0.005 -0.1636)
OKLCH	oklch(32.37% 0.164 271.8)
XYZ	xyz(5.2289, 2.9341, 22.4765)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1F85 #85831D

analogous

#1D5385 #1D1F85 #4F1D85

triadic

#1D1F85 #851D1F #1F851D

tetradic

#1D1F85 #851D53 #85831D #1D854F

square

#1D1F85 #851D53 #85831D #1D854F

split-complementary

#1D1F85 #854F1D #53851D

monochromatic

#070821 #121353 #1D1F85 #282BB7 #4649D7

Accessibility & contrast

On white

13.23

#1D1F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D1F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1F85

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1F85	#FFFFFF	#000000	##FFFFFF
##1D1F85	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003588

Deuteranopia (green-blind)

#002B83

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d1f85;
/* rgb */ color: rgb(29, 31, 133);
/* oklch */ color: oklch(32.4% 0.164 271.8);

Tailwind

colors: {
  custom: {
    50: '#6c5caa',
    500: '#1d1f85',
    950: '#000000',
  },
}

SCSS

$custom: #1d1f85;
$custom-light: #6c5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1f85",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 238.846,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32367,
    "c": 0.16368,
    "h": 271.8
  },
  "luminance": 0.02935
}

Semantic roles & 50–950 ramp

primary

#1D1F85

secondary

#B8B646

accent

#E441E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1F85

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

Preview Lab → · Contrast checker → · Palette generator →