#2F56B3#2F56B3

#2F56B3 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.155 H 264.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#2F56B3
RGB	rgb(47, 86, 179)
HSL	hsl(222, 58%, 44%)
HSV	hsv(222, 74%, 70%)
CMYK	cmyk(73.7%, 52%, 0%, 29.8%)
CIE-LAB	lab(38.75, 19.19, -53.47)
CIE-LCH	lch(38.75, 56.81, 289.74°)
OKLab	oklab(47.87% -0.0155 -0.1538)
OKLCH	oklch(47.87% 0.155 264.2)
XYZ	xyz(12.6339, 10.5132, 44.0025)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F56B3 #B38C2F

analogous

#2F98B3 #2F56B3 #4A2FB3

triadic

#2F56B3 #B32F56 #56B32F

tetradic

#2F56B3 #B32F98 #B38C2F #2FB34A

square

#2F56B3 #B32F98 #B38C2F #2FB34A

split-complementary

#2F56B3 #B34A2F #98B32F

monochromatic

#162752 #223F83 #2F56B3 #4F75D1 #7F9BDD

Accessibility & contrast

On white

6.77

#2F56B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2F56B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F56B3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F56B3	#FFFFFF	#000000	##FFFFFF
##2F56B3	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1962B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006C7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f56b3;
/* rgb */ color: rgb(47, 86, 179);
/* oklch */ color: oklch(47.9% 0.155 264.2);

Tailwind

colors: {
  custom: {
    50: '#7985ca',
    500: '#2f56b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f56b3;
$custom-light: #7985ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f56b3",
  "rgb": {
    "r": 47,
    "g": 86,
    "b": 179
  },
  "hsl": {
    "h": 222.273,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47872,
    "c": 0.15459,
    "h": 264.2
  },
  "luminance": 0.10515
}

Semantic roles & 50–950 ramp

primary

#2F56B3

secondary

#C6AF78

accent

#B446E2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F56B3

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

Preview Lab → · Contrast checker → · Palette generator →