#1A4DB3#1A4DB3

#1A4DB3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.171 H 262.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A4DB3
RGB	rgb(26, 77, 179)
HSL	hsl(220, 75%, 40%)
HSV	hsv(220, 85%, 70%)
CMYK	cmyk(85.5%, 57%, 0%, 29.8%)
CIE-LAB	lab(35.56, 22.99, -58.68)
CIE-LCH	lch(35.56, 63.03, 291.40°)
OKLab	oklab(45.26% -0.0235 -0.1696)
OKLCH	oklch(45.26% 0.171 262.1)
XYZ	xyz(11.2136, 8.7806, 43.7429)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4DB3 #B3801A

analogous

#1A99B3 #1A4DB3 #331AB3

triadic

#1A4DB3 #B31A4D #4DB31A

tetradic

#1A4DB3 #B31A99 #B3801A #1AB333

square

#1A4DB3 #B31A99 #B3801A #1AB333

split-complementary

#1A4DB3 #B3331A #99B31A

monochromatic

#0A1F48 #12367E #1A4DB3 #2A67E0 #608DE8

Accessibility & contrast

On white

7.62

#1A4DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1A4DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4DB3

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4DB3	#FFFFFF	#000000	##FFFFFF
##1A4DB3	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004DB1

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1a4db3;
/* rgb */ color: rgb(26, 77, 179);
/* oklch */ color: oklch(45.3% 0.171 262.1);

Tailwind

colors: {
  custom: {
    50: '#747ecb',
    500: '#1a4db3',
    950: '#000000',
  },
}

SCSS

$custom: #1a4db3;
$custom-light: #747ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4db3",
  "rgb": {
    "r": 26,
    "g": 77,
    "b": 179
  },
  "hsl": {
    "h": 220,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45257,
    "c": 0.17123,
    "h": 262.1
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary

#1A4DB3

secondary

#CCA75D

accent

#B337F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A4DB3

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

Preview Lab → · Contrast checker → · Palette generator →