#1F50A7#1F50A7

#1F50A7 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.150 H 260.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F50A7
RGB	rgb(31, 80, 167)
HSL	hsl(218, 69%, 39%)
HSV	hsv(218, 81%, 65%)
CMYK	cmyk(81.4%, 52.1%, 0%, 34.5%)
CIE-LAB	lab(35.63, 16.65, -51.43)
CIE-LCH	lch(35.63, 54.06, 287.94°)
OKLab	oklab(45.07% -0.0237 -0.1482)
OKLCH	oklch(45.07% 0.15 260.9)
XYZ	xyz(10.4063, 8.8174, 37.7052)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F50A7 #A7761F

analogous

#1F94A7 #1F50A7 #321FA7

triadic

#1F50A7 #A71F50 #50A71F

tetradic

#1F50A7 #A71F94 #A7761F #1FA732

square

#1F50A7 #A71F94 #A7761F #1FA732

split-complementary

#1F50A7 #A7321F #94A71F

monochromatic

#0C1F40 #153773 #1F50A7 #2B6AD8 #5F8EE1

Accessibility & contrast

On white

7.60

#1F50A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1F50A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F50A7

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F50A7	#FFFFFF	#000000	##FFFFFF
##1F50A7	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155AAA

Deuteranopia (green-blind)

#004EA5

Tritanopia (blue-blind)

#006573

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f50a7;
/* rgb */ color: rgb(31, 80, 167);
/* oklch */ color: oklch(45.1% 0.150 260.9);

Tailwind

colors: {
  custom: {
    50: '#7280c2',
    500: '#1f50a7',
    950: '#000000',
  },
}

SCSS

$custom: #1f50a7;
$custom-light: #7280c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f50a7",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 167
  },
  "hsl": {
    "h": 218.382,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.45066,
    "c": 0.15005,
    "h": 260.9
  },
  "luminance": 0.08819
}

Semantic roles & 50–950 ramp

primary

#1F50A7

secondary

#C6A05C

accent

#AC3CEC

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1F50A7

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

Preview Lab → · Contrast checker → · Palette generator →