#1A47BB#1A47BB

#1A47BB is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.189 H 264.0°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#1A47BB
RGB	rgb(26, 71, 187)
HSL	hsl(223, 76%, 42%)
HSV	hsv(223, 86%, 73%)
CMYK	cmyk(86.1%, 62%, 0%, 26.7%)
CIE-LAB	lab(34.63, 30.13, -64.92)
CIE-LCH	lch(34.63, 71.57, 294.89°)
OKLab	oklab(44.77% -0.0198 -0.188)
OKLCH	oklch(44.77% 0.189 264)
XYZ	xyz(11.6457, 8.3125, 47.9947)
Luminance	0.0831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A47BB #BB8E1A

analogous

#1A98BB #1A47BB #3E1ABB

triadic

#1A47BB #BB1A47 #47BB1A

tetradic

#1A47BB #BB1A98 #BB8E1A #1ABB3E

square

#1A47BB #BB1A98 #BB8E1A #1ABB3E

split-complementary

#1A47BB #BB3E1A #98BB1A

monochromatic

#0B1E50 #133385 #1A47BB #3062E2 #668BEA

Accessibility & contrast

On white

7.89

#1A47BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1A47BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A47BB

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A47BB	#FFFFFF	#000000	##FFFFFF
##1A47BB	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a47bb;
/* rgb */ color: rgb(26, 71, 187);
/* oklch */ color: oklch(44.8% 0.189 264.0);

Tailwind

colors: {
  custom: {
    50: '#7679d0',
    500: '#1a47bb',
    950: '#000000',
  },
}

SCSS

$custom: #1a47bb;
$custom-light: #7679d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a47bb",
  "rgb": {
    "r": 26,
    "g": 71,
    "b": 187
  },
  "hsl": {
    "h": 223.23,
    "s": 75.587,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44765,
    "c": 0.18906,
    "h": 264
  },
  "luminance": 0.08314
}

Semantic roles & 50–950 ramp

primary

#1A47BB

secondary

#CFB062

accent

#BD36F2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1A47BB

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

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