#2F56B5#2F56B5

#2F56B5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.157 H 264.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#2F56B5
RGB	rgb(47, 86, 181)
HSL	hsl(223, 59%, 45%)
HSV	hsv(223, 74%, 71%)
CMYK	cmyk(74%, 52.5%, 0%, 29%)
CIE-LAB	lab(38.89, 19.95, -54.42)
CIE-LCH	lch(38.89, 57.96, 290.13°)
OKLab	oklab(48.02% -0.0153 -0.1566)
OKLCH	oklch(48.02% 0.157 264.4)
XYZ	xyz(12.8376, 10.5947, 45.0755)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F56B5 #B58E2F

analogous

#2F99B5 #2F56B5 #4B2FB5

triadic

#2F56B5 #B52F56 #56B52F

tetradic

#2F56B5 #B52F99 #B58E2F #2FB54B

square

#2F56B5 #B52F99 #B58E2F #2FB54B

split-complementary

#2F56B5 #B54B2F #99B52F

monochromatic

#162854 #223F84 #2F56B5 #5075D1 #809CDE

Accessibility & contrast

On white

6.73

#2F56B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2F56B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F56B5

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F56B5	#FFFFFF	#000000	##FFFFFF
##2F56B5	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1562B8

Deuteranopia (green-blind)

#0056B3

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2f56b5;
/* rgb */ color: rgb(47, 86, 181);
/* oklch */ color: oklch(48.0% 0.157 264.4);

Tailwind

colors: {
  custom: {
    50: '#7a85cc',
    500: '#2f56b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f56b5;
$custom-light: #7a85cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f56b5",
  "rgb": {
    "r": 47,
    "g": 86,
    "b": 181
  },
  "hsl": {
    "h": 222.537,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48024,
    "c": 0.15735,
    "h": 264.4
  },
  "luminance": 0.10596
}

Semantic roles & 50–950 ramp

primary

#2F56B5

secondary

#C7B079

accent

#B546E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #2F56B5

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

Preview Lab → · Contrast checker → · Palette generator →