#1A1D71#1A1D71

#1A1D71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.140 H 272.4°. Best body text is #FFFFFF at 14.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A1D71
RGB	rgb(26, 29, 113)
HSL	hsl(238, 63%, 27%)
HSV	hsv(238, 77%, 44%)
CMYK	cmyk(77%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(16.94, 29.65, -48.43)
CIE-LCH	lch(16.94, 56.79, 301.48°)
OKLab	oklab(29.64% 0.0058 -0.1401)
OKLCH	oklch(29.64% 0.14 272.4)
XYZ	xyz(3.8450, 2.2902, 15.8590)
Luminance	0.0229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1D71 #716E1A

analogous

#1A4971 #1A1D71 #431A71

triadic

#1A1D71 #711A1D #1D711A

tetradic

#1A1D71 #711A49 #716E1A #1A7143

square

#1A1D71 #711A49 #716E1A #1A7143

split-complementary

#1A1D71 #71431A #49711A

monochromatic

#060619 #0F103F #1A1D71 #252AA3 #353AD0

Accessibility & contrast

On white

14.40

#1A1D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1A1D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1D71

14.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1D71	#FFFFFF	#000000	##FFFFFF
##1A1D71	1.00	14.40	1.46	14.40
#FFFFFF	14.40	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1a1d71;
/* rgb */ color: rgb(26, 29, 113);
/* oklch */ color: oklch(29.6% 0.140 272.4);

Tailwind

colors: {
  custom: {
    50: '#66599b',
    500: '#1a1d71',
    950: '#000000',
  },
}

SCSS

$custom: #1a1d71;
$custom-light: #66599b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1d71",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 237.931,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.29636,
    "c": 0.14025,
    "h": 272.4
  },
  "luminance": 0.02291
}

Semantic roles & 50–950 ramp

primary

#1A1D71

secondary

#A6A241

accent

#E042E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A1D71

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

Preview Lab → · Contrast checker → · Palette generator →