#1D50AC#1D50AC

#1D50AC is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.4% C 0.157 H 261.1°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D50AC
RGB	rgb(29, 80, 172)
HSL	hsl(219, 71%, 39%)
HSV	hsv(219, 83%, 67%)
CMYK	cmyk(83.1%, 53.5%, 0%, 32.5%)
CIE-LAB	lab(35.94, 18.45, -53.91)
CIE-LCH	lch(35.94, 56.98, 288.89°)
OKLab	oklab(45.4% -0.0244 -0.1555)
OKLCH	oklch(45.4% 0.157 261.1)
XYZ	xyz(10.8190, 8.9758, 40.1840)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D50AC #AC791D

analogous

#1D98AC #1D50AC #311DAC

triadic

#1D50AC #AC1D50 #50AC1D

tetradic

#1D50AC #AC1D98 #AC791D #1DAC31

square

#1D50AC #AC1D98 #AC791D #1DAC31

split-complementary

#1D50AC #AC311D #98AC1D

monochromatic

#0B1F43 #143878 #1D50AC #2B6ADB #5F8FE4

Accessibility & contrast

On white

7.51

#1D50AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#1D50AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D50AC

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D50AC	#FFFFFF	#000000	##FFFFFF
##1D50AC	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#065BAF

Deuteranopia (green-blind)

#004EAA

Tritanopia (blue-blind)

#006776

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #1d50ac;
/* rgb */ color: rgb(29, 80, 172);
/* oklch */ color: oklch(45.4% 0.157 261.1);

Tailwind

colors: {
  custom: {
    50: '#7280c5',
    500: '#1d50ac',
    950: '#000000',
  },
}

SCSS

$custom: #1d50ac;
$custom-light: #7280c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d50ac",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 172
  },
  "hsl": {
    "h": 218.601,
    "s": 71.144,
    "l": 39.412
  },
  "oklch": {
    "l": 0.45399,
    "c": 0.15739,
    "h": 261.1
  },
  "luminance": 0.08977
}

Semantic roles & 50–950 ramp

primary

#1D50AC

secondary

#C8A25C

accent

#AE3AEE

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1D50AC

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

Preview Lab → · Contrast checker → · Palette generator →