#1D1A71#1D1A71

#1D1A71 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.143 H 274.6°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D1A71
RGB	rgb(29, 26, 113)
HSL	hsl(242, 63%, 27%)
HSV	hsv(242, 77%, 44%)
CMYK	cmyk(74.3%, 77%, 0%, 55.7%)
CIE-LAB	lab(16.46, 31.87, -49.21)
CIE-LCH	lch(16.46, 58.63, 302.93°)
OKLab	oklab(29.35% 0.0115 -0.1423)
OKLCH	oklch(29.35% 0.143 274.6)
XYZ	xyz(3.8557, 2.1919, 15.8395)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1A71 #6E711A

analogous

#1A4371 #1D1A71 #491A71

triadic

#1D1A71 #711D1A #1A711D

tetradic

#1D1A71 #711A43 #6E711A #1A7149

square

#1D1A71 #711A43 #6E711A #1A7149

split-complementary

#1D1A71 #71491A #43711A

monochromatic

#060619 #100F3F #1D1A71 #2A25A3 #3A35D0

Accessibility & contrast

On white

14.60

#1D1A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1D1A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1A71

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1A71	#FFFFFF	#000000	##FFFFFF
##1D1A71	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00256F

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d1a71;
/* rgb */ color: rgb(29, 26, 113);
/* oklch */ color: oklch(29.3% 0.143 274.6);

Tailwind

colors: {
  custom: {
    50: '#67589b',
    500: '#1d1a71',
    950: '#000000',
  },
}

SCSS

$custom: #1d1a71;
$custom-light: #67589b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1a71",
  "rgb": {
    "r": 29,
    "g": 26,
    "b": 113
  },
  "hsl": {
    "h": 242.069,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29348,
    "c": 0.14277,
    "h": 274.6
  },
  "luminance": 0.02192
}

Semantic roles & 50–950 ramp

primary

#1D1A71

secondary

#A2A641

accent

#E642E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1A71

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

Preview Lab → · Contrast checker → · Palette generator →