#1A4CB3#1A4CB3

#1A4CB3 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.1% C 0.172 H 262.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#1A4CB3
RGB	rgb(26, 76, 179)
HSL	hsl(220, 75%, 40%)
HSV	hsv(220, 85%, 70%)
CMYK	cmyk(85.5%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(35.29, 23.66, -59.13)
CIE-LCH	lch(35.29, 63.69, 291.81°)
OKLab	oklab(45.05% -0.0229 -0.1709)
OKLCH	oklch(45.05% 0.172 262.4)
XYZ	xyz(11.1442, 8.6418, 43.7198)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4CB3 #B3811A

analogous

#1A99B3 #1A4CB3 #341AB3

triadic

#1A4CB3 #B31A4C #4CB31A

tetradic

#1A4CB3 #B31A99 #B3811A #1AB334

square

#1A4CB3 #B31A99 #B3811A #1AB334

split-complementary

#1A4CB3 #B3341A #99B31A

monochromatic

#0A1F48 #12357E #1A4CB3 #2A66E0 #608CE8

Accessibility & contrast

On white

7.70

#1A4CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1A4CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4CB3

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4CB3	#FFFFFF	#000000	##FFFFFF
##1A4CB3	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1a4cb3;
/* rgb */ color: rgb(26, 76, 179);
/* oklch */ color: oklch(45.1% 0.172 262.4);

Tailwind

colors: {
  custom: {
    50: '#747dcb',
    500: '#1a4cb3',
    950: '#000000',
  },
}

SCSS

$custom: #1a4cb3;
$custom-light: #747dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4cb3",
  "rgb": {
    "r": 26,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 220.392,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45051,
    "c": 0.17246,
    "h": 262.4
  },
  "luminance": 0.08643
}

Semantic roles & 50–950 ramp

primary

#1A4CB3

secondary

#CCA85D

accent

#B437F1

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1A4CB3

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

Preview Lab → · Contrast checker → · Palette generator →