#1F56A6#1F56A6

#1F56A6 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.3% C 0.141 H 258.4°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F56A6
RGB	rgb(31, 86, 166)
HSL	hsl(216, 69%, 39%)
HSV	hsv(216, 81%, 65%)
CMYK	cmyk(81.3%, 48.2%, 0%, 34.9%)
CIE-LAB	lab(37.30, 12.25, -48.14)
CIE-LCH	lch(37.30, 49.68, 284.28°)
OKLab	oklab(46.32% -0.0285 -0.1384)
OKLCH	oklch(46.32% 0.141 258.4)
XYZ	xyz(10.7733, 9.6988, 37.3732)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F56A6 #A66F1F

analogous

#1F99A6 #1F56A6 #2C1FA6

triadic

#1F56A6 #A61F56 #56A61F

tetradic

#1F56A6 #A61F99 #A66F1F #1FA62C

square

#1F56A6 #A61F99 #A66F1F #1FA62C

split-complementary

#1F56A6 #A62C1F #99A61F

monochromatic

#0C213F #153B72 #1F56A6 #2B71D7 #5E94E1

Accessibility & contrast

On white

7.14

#1F56A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#1F56A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F56A6

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F56A6	#FFFFFF	#000000	##FFFFFF
##1F56A6	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295EA9

Deuteranopia (green-blind)

#0052A4

Tritanopia (blue-blind)

#006976

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f56a6;
/* rgb */ color: rgb(31, 86, 166);
/* oklch */ color: oklch(46.3% 0.141 258.4);

Tailwind

colors: {
  custom: {
    50: '#7185c1',
    500: '#1f56a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f56a6;
$custom-light: #7185c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f56a6",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 166
  },
  "hsl": {
    "h": 215.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4632,
    "c": 0.14127,
    "h": 258.4
  },
  "luminance": 0.097
}

Semantic roles & 50–950 ramp

primary

#1F56A6

secondary

#C59A5B

accent

#A43CEB

background

#F7F8FB

surface

#EDEFF7

border

#C8CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1F56A6

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

Preview Lab → · Contrast checker → · Palette generator →