#1D1FAA#1D1FAA

#1D1FAA is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.7% C 0.209 H 269.4°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D1FAA
RGB	rgb(29, 31, 170)
HSL	hsl(239, 71%, 39%)
HSV	hsv(239, 83%, 67%)
CMYK	cmyk(82.9%, 81.8%, 0%, 33.3%)
CIE-LAB	lab(24.14, 48.38, -72.09)
CIE-LCH	lch(24.14, 86.81, 303.87°)
OKLab	oklab(36.7% -0.0022 -0.2087)
OKLCH	oklch(36.7% 0.209 269.4)
XYZ	xyz(8.2499, 4.1425, 38.3872)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1FAA #AAA81D

analogous

#1D66AA #1D1FAA #621DAA

triadic

#1D1FAA #AA1D1F #1FAA1D

tetradic

#1D1FAA #AA1D66 #AAA81D #1DAA62

square

#1D1FAA #AA1D66 #AAA81D #1DAA62

split-complementary

#1D1FAA #AA621D #66AA1D

monochromatic

#0B0C41 #141576 #1D1FAA #2A2CDB #5E60E4

Accessibility & contrast

On white

11.48

#1D1FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1D1FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1FAA

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1FAA	#FFFFFF	#000000	##FFFFFF
##1D1FAA	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AE

Deuteranopia (green-blind)

#0032A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d1faa;
/* rgb */ color: rgb(29, 31, 170);
/* oklch */ color: oklch(36.7% 0.209 269.4);

Tailwind

colors: {
  custom: {
    50: '#765ec5',
    500: '#1d1faa',
    950: '#000000',
  },
}

SCSS

$custom: #1d1faa;
$custom-light: #765ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1faa",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 170
  },
  "hsl": {
    "h": 239.149,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.36697,
    "c": 0.20876,
    "h": 269.4
  },
  "luminance": 0.04143
}

Semantic roles & 50–950 ramp

primary

#1D1FAA

secondary

#C8C65B

accent

#EB3AEE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #1D1FAA

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

Preview Lab → · Contrast checker → · Palette generator →