#1F56A8#1F56A8

#1F56A8 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.144 H 258.7°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#1F56A8
RGB	rgb(31, 86, 168)
HSL	hsl(216, 69%, 39%)
HSV	hsv(216, 82%, 66%)
CMYK	cmyk(81.5%, 48.8%, 0%, 34.1%)
CIE-LAB	lab(37.43, 13.05, -49.12)
CIE-LCH	lch(37.43, 50.82, 284.87°)
OKLab	oklab(46.47% -0.0282 -0.1412)
OKLCH	oklch(46.47% 0.144 258.7)
XYZ	xyz(10.9582, 9.7727, 38.3470)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F56A8 #A8711F

analogous

#1F9BA8 #1F56A8 #2C1FA8

triadic

#1F56A8 #A81F56 #56A81F

tetradic

#1F56A8 #A81F9B #A8711F #1FA82C

square

#1F56A8 #A81F9B #A8711F #1FA82C

split-complementary

#1F56A8 #A82C1F #9BA81F

monochromatic

#0C2141 #153C74 #1F56A8 #2C71D8 #6094E2

Accessibility & contrast

On white

7.11

#1F56A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#1F56A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F56A8

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F56A8	#FFFFFF	#000000	##FFFFFF
##1F56A8	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265FAB

Deuteranopia (green-blind)

#0052A6

Tritanopia (blue-blind)

#006A77

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #1f56a8;
/* rgb */ color: rgb(31, 86, 168);
/* oklch */ color: oklch(46.5% 0.144 258.7);

Tailwind

colors: {
  custom: {
    50: '#7285c2',
    500: '#1f56a8',
    950: '#000000',
  },
}

SCSS

$custom: #1f56a8;
$custom-light: #7285c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f56a8",
  "rgb": {
    "r": 31,
    "g": 86,
    "b": 168
  },
  "hsl": {
    "h": 215.912,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46467,
    "c": 0.14401,
    "h": 258.7
  },
  "luminance": 0.09774
}

Semantic roles & 50–950 ramp

primary

#1F56A8

secondary

#C69C5D

accent

#A53CEC

background

#F7F8FC

surface

#EDEFF8

border

#C8CAD1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1F56A8

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

Preview Lab → · Contrast checker → · Palette generator →