#1A4EB4#1A4EB4

#1A4EB4 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.5% C 0.171 H 261.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1A4EB4
RGB	rgb(26, 78, 180)
HSL	hsl(220, 75%, 40%)
HSV	hsv(220, 86%, 71%)
CMYK	cmyk(85.6%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(35.91, 22.72, -58.70)
CIE-LCH	lch(35.91, 62.94, 291.16°)
OKLab	oklab(45.55% -0.024 -0.1696)
OKLCH	oklch(45.55% 0.171 261.9)
XYZ	xyz(11.3856, 8.9622, 44.3010)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4EB4 #B4801A

analogous

#1A9BB4 #1A4EB4 #331AB4

triadic

#1A4EB4 #B41A4E #4EB41A

tetradic

#1A4EB4 #B41A9B #B4801A #1AB433

square

#1A4EB4 #B41A9B #B4801A #1AB433

split-complementary

#1A4EB4 #B4331A #9BB41A

monochromatic

#0B2049 #12377F #1A4EB4 #2B68E0 #608EE8

Accessibility & contrast

On white

7.52

#1A4EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1A4EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4EB4

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4EB4	#FFFFFF	#000000	##FFFFFF
##1A4EB4	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1a4eb4;
/* rgb */ color: rgb(26, 78, 180);
/* oklch */ color: oklch(45.5% 0.171 261.9);

Tailwind

colors: {
  custom: {
    50: '#747ecb',
    500: '#1a4eb4',
    950: '#000000',
  },
}

SCSS

$custom: #1a4eb4;
$custom-light: #747ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4eb4",
  "rgb": {
    "r": 26,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 219.74,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45549,
    "c": 0.17133,
    "h": 261.9
  },
  "luminance": 0.08964
}

Semantic roles & 50–950 ramp

primary

#1A4EB4

secondary

#CCA75D

accent

#B236F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1A4EB4

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

Preview Lab → · Contrast checker → · Palette generator →