#1D1A77#1D1A77

#1D1A77 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.151 H 273.9°. Best body text is #FFFFFF at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D1A77
RGB	rgb(29, 26, 119)
HSL	hsl(242, 64%, 28%)
HSV	hsv(242, 78%, 47%)
CMYK	cmyk(75.6%, 78.2%, 0%, 53.3%)
CIE-LAB	lab(17.14, 34.00, -51.97)
CIE-LCH	lch(17.14, 62.10, 303.19°)
OKLab	oklab(30.03% 0.0102 -0.1503)
OKLCH	oklch(30.03% 0.151 273.9)
XYZ	xyz(4.2048, 2.3315, 17.6776)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1A77 #74771A

analogous

#1A4577 #1D1A77 #4B1A77

triadic

#1D1A77 #771D1A #1A771D

tetradic

#1D1A77 #771A45 #74771A #1A774B

square

#1D1A77 #771A45 #74771A #1A774B

split-complementary

#1D1A77 #774B1A #45771A

monochromatic

#060519 #110F45 #1D1A77 #2925A9 #3D38D3

Accessibility & contrast

On white

14.32

#1D1A77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1D1A77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1A77

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1A77	#FFFFFF	#000000	##FFFFFF
##1D1A77	1.00	14.32	1.47	14.32
#FFFFFF	14.32	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7A

Deuteranopia (green-blind)

#002675

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d1a77;
/* rgb */ color: rgb(29, 26, 119);
/* oklch */ color: oklch(30.0% 0.151 273.9);

Tailwind

colors: {
  custom: {
    50: '#69589f',
    500: '#1d1a77',
    950: '#000000',
  },
}

SCSS

$custom: #1d1a77;
$custom-light: #69589f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1a77",
  "rgb": {
    "r": 29,
    "g": 26,
    "b": 119
  },
  "hsl": {
    "h": 241.935,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30028,
    "c": 0.15068,
    "h": 273.9
  },
  "luminance": 0.02332
}

Semantic roles & 50–950 ramp

primary

#1D1A77

secondary

#A8AC41

accent

#E741E2

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #1D1A77

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

Preview Lab → · Contrast checker → · Palette generator →