#1A4EB3#1A4EB3

#1A4EB3 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.170 H 261.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#1A4EB3
RGB	rgb(26, 78, 179)
HSL	hsl(220, 75%, 40%)
HSV	hsv(220, 85%, 70%)
CMYK	cmyk(85.5%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(35.83, 22.32, -58.23)
CIE-LCH	lch(35.83, 62.37, 290.97°)
OKLab	oklab(45.47% -0.0241 -0.1683)
OKLCH	oklch(45.47% 0.17 261.9)
XYZ	xyz(11.2841, 8.9216, 43.7664)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4EB3 #B37F1A

analogous

#1A9AB3 #1A4EB3 #331AB3

triadic

#1A4EB3 #B31A4E #4EB31A

tetradic

#1A4EB3 #B31A9A #B37F1A #1AB333

square

#1A4EB3 #B31A9A #B37F1A #1AB333

split-complementary

#1A4EB3 #B3331A #9AB31A

monochromatic

#0A1F48 #12377E #1A4EB3 #2A68E0 #608EE8

Accessibility & contrast

On white

7.54

#1A4EB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#1A4EB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4EB3

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4EB3	#FFFFFF	#000000	##FFFFFF
##1A4EB3	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB6

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1a4eb3;
/* rgb */ color: rgb(26, 78, 179);
/* oklch */ color: oklch(45.5% 0.170 261.9);

Tailwind

colors: {
  custom: {
    50: '#747ecb',
    500: '#1a4eb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a4eb3;
$custom-light: #747ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4eb3",
  "rgb": {
    "r": 26,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 219.608,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45465,
    "c": 0.17,
    "h": 261.9
  },
  "luminance": 0.08923
}

Semantic roles & 50–950 ramp

primary

#1A4EB3

secondary

#CCA65D

accent

#B237F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1A4EB3

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

Preview Lab → · Contrast checker → · Palette generator →