#1A45BB#1A45BB

#1A45BB is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.4% C 0.191 H 264.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A45BB
RGB	rgb(26, 69, 187)
HSL	hsl(224, 76%, 42%)
HSV	hsv(224, 86%, 73%)
CMYK	cmyk(86.1%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(34.11, 31.45, -65.76)
CIE-LCH	lch(34.11, 72.90, 295.56°)
OKLab	oklab(44.38% -0.0189 -0.1905)
OKLCH	oklch(44.38% 0.191 264.3)
XYZ	xyz(11.5206, 8.0623, 47.9530)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A45BB #BB901A

analogous

#1A96BB #1A45BB #3F1ABB

triadic

#1A45BB #BB1A45 #45BB1A

tetradic

#1A45BB #BB1A96 #BB901A #1ABB3F

square

#1A45BB #BB1A96 #BB901A #1ABB3F

split-complementary

#1A45BB #BB3F1A #96BB1A

monochromatic

#0B1D50 #133185 #1A45BB #3060E2 #6689EA

Accessibility & contrast

On white

8.04

#1A45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1A45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A45BB

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A45BB	#FFFFFF	#000000	##FFFFFF
##1A45BB	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#006479

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1a45bb;
/* rgb */ color: rgb(26, 69, 187);
/* oklch */ color: oklch(44.4% 0.191 264.3);

Tailwind

colors: {
  custom: {
    50: '#7678d0',
    500: '#1a45bb',
    950: '#000000',
  },
}

SCSS

$custom: #1a45bb;
$custom-light: #7678d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a45bb",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 223.975,
    "s": 75.587,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44383,
    "c": 0.19143,
    "h": 264.3
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#1A45BB

secondary

#CFB262

accent

#C036F2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0814

muted

#7C7B82

Preview Lab

Preview with #1A45BB

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

Preview Lab → · Contrast checker → · Palette generator →