#1F56AD#1F56AD

#1F56AD is a mid, vivid blue. Relative luminance 0.100; OKLCH L 46.8% C 0.151 H 259.5°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F56AD
RGB	rgb(31, 86, 173)
HSL	hsl(217, 70%, 40%)
HSV	hsv(217, 82%, 68%)
CMYK	cmyk(82.1%, 50.3%, 0%, 32.2%)
CIE-LAB	lab(37.78, 15.03, -51.53)
CIE-LCH	lch(37.78, 53.67, 286.26°)
OKLab	oklab(46.84% -0.0274 -0.1483)
OKLCH	oklch(46.84% 0.151 259.5)
XYZ	xyz(11.4329, 9.9626, 40.8475)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F56AD #AD761F

analogous

#1F9DAD #1F56AD #2F1FAD

triadic

#1F56AD #AD1F56 #56AD1F

tetradic

#1F56AD #AD1F9D #AD761F #1FAD2F

square

#1F56AD #AD1F9D #AD761F #1FAD2F

split-complementary

#1F56AD #AD2F1F #9DAD1F

monochromatic

#0C2245 #163C79 #1F56AD #2F71DA #6395E3

Accessibility & contrast

On white

7.02

#1F56AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#1F56AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F56AD

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F56AD	#FFFFFF	#000000	##FFFFFF
##1F56AD	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2060B0

Deuteranopia (green-blind)

#0053AB

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f56ad;
/* rgb */ color: rgb(31, 86, 173);
/* oklch */ color: oklch(46.8% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#7385c6',
    500: '#1f56ad',
    950: '#000000',
  },
}

SCSS

$custom: #1f56ad;
$custom-light: #7385c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f56ad",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 173
  },
  "hsl": {
    "h": 216.761,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.46841,
    "c": 0.15084,
    "h": 259.5
  },
  "luminance": 0.09964
}

Semantic roles & 50–950 ramp

primary

#1F56AD

secondary

#C8A060

accent

#A83BEC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#090A13

muted

#7B7C82

Preview Lab

Preview with #1F56AD

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

Preview Lab → · Contrast checker → · Palette generator →