#1A4DB4#1A4DB4

#1A4DB4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.173 H 262.2°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1A4DB4
RGB	rgb(26, 77, 180)
HSL	hsl(220, 75%, 40%)
HSV	hsv(220, 86%, 71%)
CMYK	cmyk(85.6%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.64, 23.39, -59.14)
CIE-LCH	lch(35.64, 63.60, 291.58°)
OKLab	oklab(45.34% -0.0234 -0.171)
OKLCH	oklch(45.34% 0.173 262.2)
XYZ	xyz(11.3151, 8.8212, 44.2775)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4DB4 #B4811A

analogous

#1A9AB4 #1A4DB4 #341AB4

triadic

#1A4DB4 #B41A4D #4DB41A

tetradic

#1A4DB4 #B41A9A #B4811A #1AB434

square

#1A4DB4 #B41A9A #B4811A #1AB434

split-complementary

#1A4DB4 #B4341A #9AB41A

monochromatic

#0B1F49 #12367F #1A4DB4 #2B67E0 #608DE8

Accessibility & contrast

On white

7.60

#1A4DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1A4DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4DB4

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4DB4	#FFFFFF	#000000	##FFFFFF
##1A4DB4	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1a4db4;
/* rgb */ color: rgb(26, 77, 180);
/* oklch */ color: oklch(45.3% 0.173 262.2);

Tailwind

colors: {
  custom: {
    50: '#747ecb',
    500: '#1a4db4',
    950: '#000000',
  },
}

SCSS

$custom: #1a4db4;
$custom-light: #747ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4db4",
  "rgb": {
    "r": 26,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 220.13,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.45342,
    "c": 0.17257,
    "h": 262.2
  },
  "luminance": 0.08823
}

Semantic roles & 50–950 ramp

primary

#1A4DB4

secondary

#CCA85D

accent

#B336F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A4DB4

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

Preview Lab → · Contrast checker → · Palette generator →