#1A2271#1A2271

#1A2271 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.134 H 271.2°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A2271
RGB	rgb(26, 34, 113)
HSL	hsl(234, 63%, 27%)
HSV	hsv(234, 77%, 44%)
CMYK	cmyk(77%, 69.9%, 0%, 55.7%)
CIE-LAB	lab(18.17, 26.32, -46.42)
CIE-LCH	lch(18.17, 53.36, 299.55°)
OKLab	oklab(30.52% 0.0028 -0.1342)
OKLCH	oklch(30.52% 0.134 271.2)
XYZ	xyz(3.9777, 2.5555, 15.9032)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2271 #71691A

analogous

#1A4D71 #1A2271 #3E1A71

triadic

#1A2271 #711A22 #22711A

tetradic

#1A2271 #711A4D #71691A #1A713E

square

#1A2271 #711A4D #71691A #1A713E

split-complementary

#1A2271 #713E1A #4D711A

monochromatic

#060719 #0F133F #1A2271 #2531A3 #3543D0

Accessibility & contrast

On white

13.90

#1A2271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1A2271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2271

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2271	#FFFFFF	#000000	##FFFFFF
##1A2271	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003173

Deuteranopia (green-blind)

#002870

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a2271;
/* rgb */ color: rgb(26, 34, 113);
/* oklch */ color: oklch(30.5% 0.134 271.2);

Tailwind

colors: {
  custom: {
    50: '#665d9b',
    500: '#1a2271',
    950: '#000000',
  },
}

SCSS

$custom: #1a2271;
$custom-light: #665d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2271",
  "rgb": {
    "r": 26,
    "g": 34,
    "b": 113
  },
  "hsl": {
    "h": 234.483,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30522,
    "c": 0.13427,
    "h": 271.2
  },
  "luminance": 0.02556
}

Semantic roles & 50–950 ramp

primary

#1A2271

secondary

#A69D41

accent

#D742E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A2271

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

Preview Lab → · Contrast checker → · Palette generator →