#1A2B71#1A2B71

#1A2B71 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.123 H 268.2°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A2B71
RGB	rgb(26, 43, 113)
HSL	hsl(228, 63%, 27%)
HSV	hsv(228, 77%, 44%)
CMYK	cmyk(77%, 61.9%, 0%, 55.7%)
CIE-LAB	lab(20.59, 20.01, -42.45)
CIE-LCH	lch(20.59, 46.93, 295.24°)
OKLab	oklab(32.31% -0.0038 -0.1225)
OKLCH	oklch(32.31% 0.123 268.2)
XYZ	xyz(4.2695, 3.1392, 16.0005)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2B71 #71601A

analogous

#1A5771 #1A2B71 #351A71

triadic

#1A2B71 #711A2B #2B711A

tetradic

#1A2B71 #711A57 #71601A #1A7135

square

#1A2B71 #711A57 #71601A #1A7135

split-complementary

#1A2B71 #71351A #57711A

monochromatic

#060919 #0F183F #1A2B71 #253EA3 #3553D0

Accessibility & contrast

On white

12.90

#1A2B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A2B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2B71

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2B71	#FFFFFF	#000000	##FFFFFF
##1A2B71	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#002E70

Tritanopia (blue-blind)

#003D49

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a2b71;
/* rgb */ color: rgb(26, 43, 113);
/* oklch */ color: oklch(32.3% 0.123 268.2);

Tailwind

colors: {
  custom: {
    50: '#65649a',
    500: '#1a2b71',
    950: '#000000',
  },
}

SCSS

$custom: #1a2b71;
$custom-light: #65649a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2b71",
  "rgb": {
    "r": 26,
    "g": 43,
    "b": 113
  },
  "hsl": {
    "h": 228.276,
    "s": 62.59,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32309,
    "c": 0.12258,
    "h": 268.2
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#1A2B71

secondary

#A69241

accent

#C642E6

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1A2B71

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

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