#1D1FA6#1D1FA6

#1D1FA6 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.2% C 0.204 H 269.6°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#1D1FA6
RGB	rgb(29, 31, 166)
HSL	hsl(239, 70%, 38%)
HSV	hsv(239, 83%, 65%)
CMYK	cmyk(82.5%, 81.3%, 0%, 34.9%)
CIE-LAB	lab(23.65, 47.09, -70.48)
CIE-LCH	lch(23.65, 84.76, 303.75°)
OKLab	oklab(36.22% -0.0014 -0.2041)
OKLCH	oklch(36.22% 0.204 269.6)
XYZ	xyz(7.8773, 3.9934, 36.4246)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1FA6 #A6A41D

analogous

#1D63A6 #1D1FA6 #5F1DA6

triadic

#1D1FA6 #A61D1F #1FA61D

tetradic

#1D1FA6 #A61D63 #A6A41D #1DA65F

square

#1D1FA6 #A61D63 #A6A41D #1DA65F

split-complementary

#1D1FA6 #A65F1D #63A61D

monochromatic

#0B0C3E #141572 #1D1FA6 #272AD9 #5B5DE2

Accessibility & contrast

On white

11.67

#1D1FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1D1FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1FA6

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1FA6	#FFFFFF	#000000	##FFFFFF
##1D1FA6	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAA

Deuteranopia (green-blind)

#0031A4

Tritanopia (blue-blind)

#004A63

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d1fa6;
/* rgb */ color: rgb(29, 31, 166);
/* oklch */ color: oklch(36.2% 0.204 269.6);

Tailwind

colors: {
  custom: {
    50: '#755ec2',
    500: '#1d1fa6',
    950: '#000000',
  },
}

SCSS

$custom: #1d1fa6;
$custom-light: #755ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1fa6",
  "rgb": {
    "r": 29,
    "g": 31,
    "b": 166
  },
  "hsl": {
    "h": 239.124,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36218,
    "c": 0.20409,
    "h": 269.6
  },
  "luminance": 0.03994
}

Semantic roles & 50–950 ramp

primary

#1D1FA6

secondary

#C6C559

accent

#EA3BED

background

#F7F5FC

surface

#EEE9F8

border

#C9C5D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #1D1FA6

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

Preview Lab → · Contrast checker → · Palette generator →