#1A2783#1A2783

#1A2783 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.153 H 269.3°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1A2783
RGB	rgb(26, 39, 131)
HSL	hsl(233, 67%, 31%)
HSV	hsv(233, 80%, 51%)
CMYK	cmyk(80.2%, 70.2%, 0%, 48.6%)
CIE-LAB	lab(21.24, 29.86, -52.85)
CIE-LCH	lch(21.24, 60.70, 299.47°)
OKLab	oklab(33.31% -0.0019 -0.153)
OKLCH	oklch(33.31% 0.153 269.3)
XYZ	xyz(5.2468, 3.3088, 21.8305)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2783 #83761A

analogous

#1A5B83 #1A2783 #411A83

triadic

#1A2783 #831A27 #27831A

tetradic

#1A2783 #831A5B #83761A #1A8341

square

#1A2783 #831A5B #83761A #1A8341

split-complementary

#1A2783 #83411A #5B831A

monochromatic

#06091D #101850 #1A2783 #2436B6 #3F52D9

Accessibility & contrast

On white

12.64

#1A2783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1A2783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2783

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2783	#FFFFFF	#000000	##FFFFFF
##1A2783	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003886

Deuteranopia (green-blind)

#002E81

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a2783;
/* rgb */ color: rgb(26, 39, 131);
/* oklch */ color: oklch(33.3% 0.153 269.3);

Tailwind

colors: {
  custom: {
    50: '#6a61a8',
    500: '#1a2783',
    950: '#000000',
  },
}

SCSS

$custom: #1a2783;
$custom-light: #6a61a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2783",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 131
  },
  "hsl": {
    "h": 232.571,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33309,
    "c": 0.15302,
    "h": 269.3
  },
  "luminance": 0.03309
}

Semantic roles & 50–950 ramp

primary

#1A2783

secondary

#B7A842

accent

#D53EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1A2783

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

Preview Lab → · Contrast checker → · Palette generator →