#1A48BB#1A48BB

#1A48BB is a dark, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.188 H 263.8°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#1A48BB
RGB	rgb(26, 72, 187)
HSL	hsl(223, 76%, 42%)
HSV	hsv(223, 86%, 73%)
CMYK	cmyk(86.1%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(34.88, 29.47, -64.50)
CIE-LCH	lch(34.88, 70.91, 294.55°)
OKLab	oklab(44.96% -0.0203 -0.1868)
OKLCH	oklch(44.96% 0.188 263.8)
XYZ	xyz(11.7098, 8.4407, 48.0161)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A48BB #BB8D1A

analogous

#1A99BB #1A48BB #3C1ABB

triadic

#1A48BB #BB1A48 #48BB1A

tetradic

#1A48BB #BB1A99 #BB8D1A #1ABB3C

square

#1A48BB #BB1A99 #BB8D1A #1ABB3C

split-complementary

#1A48BB #BB3C1A #99BB1A

monochromatic

#0B1F50 #133385 #1A48BB #3063E2 #668BEA

Accessibility & contrast

On white

7.81

#1A48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1A48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A48BB

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A48BB	#FFFFFF	#000000	##FFFFFF
##1A48BB	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#00667A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a48bb;
/* rgb */ color: rgb(26, 72, 187);
/* oklch */ color: oklch(45.0% 0.188 263.8);

Tailwind

colors: {
  custom: {
    50: '#767ad0',
    500: '#1a48bb',
    950: '#000000',
  },
}

SCSS

$custom: #1a48bb;
$custom-light: #767ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a48bb",
  "rgb": {
    "r": 26,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 222.857,
    "s": 75.587,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44957,
    "c": 0.18787,
    "h": 263.8
  },
  "luminance": 0.08442
}

Semantic roles & 50–950 ramp

primary

#1A48BB

secondary

#CFB062

accent

#BC36F2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0914

muted

#7C7B82

Preview Lab

Preview with #1A48BB

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

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