#1A50B3#1A50B3

#1A50B3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.168 H 261.3°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A50B3
RGB	rgb(26, 80, 179)
HSL	hsl(219, 75%, 40%)
HSV	hsv(219, 85%, 70%)
CMYK	cmyk(85.5%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(36.39, 20.98, -57.33)
CIE-LCH	lch(36.39, 61.05, 290.10°)
OKLab	oklab(45.88% -0.0253 -0.1656)
OKLCH	oklch(45.88% 0.168 261.3)
XYZ	xyz(11.4284, 9.2102, 43.8145)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A50B3 #B37D1A

analogous

#1A9CB3 #1A50B3 #311AB3

triadic

#1A50B3 #B31A50 #50B31A

tetradic

#1A50B3 #B31A9C #B37D1A #1AB331

square

#1A50B3 #B31A9C #B37D1A #1AB331

split-complementary

#1A50B3 #B3311A #9CB31A

monochromatic

#0A2048 #12387E #1A50B3 #2A6AE0 #6090E8

Accessibility & contrast

On white

7.39

#1A50B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#1A50B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A50B3

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A50B3	#FFFFFF	#000000	##FFFFFF
##1A50B3	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB6

Deuteranopia (green-blind)

#004FB1

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1a50b3;
/* rgb */ color: rgb(26, 80, 179);
/* oklch */ color: oklch(45.9% 0.168 261.3);

Tailwind

colors: {
  custom: {
    50: '#7480ca',
    500: '#1a50b3',
    950: '#000000',
  },
}

SCSS

$custom: #1a50b3;
$custom-light: #7480ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1a50b3",
  "rgb": {
    "r": 26,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 218.824,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45883,
    "c": 0.16753,
    "h": 261.3
  },
  "luminance": 0.09212
}

Semantic roles & 50–950 ramp

primary

#1A50B3

secondary

#CCA55D

accent

#AF37F1

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #1A50B3

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

Preview Lab → · Contrast checker → · Palette generator →