#2F56B1#2F56B1

#2F56B1 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.152 H 264.0°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F56B1
RGB	rgb(47, 86, 177)
HSL	hsl(222, 58%, 44%)
HSV	hsv(222, 73%, 69%)
CMYK	cmyk(73.4%, 51.4%, 0%, 30.6%)
CIE-LAB	lab(38.61, 18.43, -52.52)
CIE-LCH	lch(38.61, 55.66, 289.34°)
OKLab	oklab(47.72% -0.0158 -0.151)
OKLCH	oklch(47.72% 0.152 264)
XYZ	xyz(12.4331, 10.4329, 42.9449)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F56B1 #B18A2F

analogous

#2F97B1 #2F56B1 #492FB1

triadic

#2F56B1 #B12F56 #56B12F

tetradic

#2F56B1 #B12F97 #B18A2F #2FB149

square

#2F56B1 #B12F97 #B18A2F #2FB149

split-complementary

#2F56B1 #B1492F #97B12F

monochromatic

#152750 #223F81 #2F56B1 #4D75D0 #7E9ADD

Accessibility & contrast

On white

6.80

#2F56B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2F56B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F56B1

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F56B1	#FFFFFF	#000000	##FFFFFF
##2F56B1	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D61B4

Deuteranopia (green-blind)

#0055AF

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f56b1;
/* rgb */ color: rgb(47, 86, 177);
/* oklch */ color: oklch(47.7% 0.152 264.0);

Tailwind

colors: {
  custom: {
    50: '#7985c9',
    500: '#2f56b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f56b1;
$custom-light: #7985c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f56b1",
  "rgb": {
    "r": 47,
    "g": 86,
    "b": 177
  },
  "hsl": {
    "h": 222,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47721,
    "c": 0.15183,
    "h": 264
  },
  "luminance": 0.10434
}

Semantic roles & 50–950 ramp

primary

#2F56B1

secondary

#C5AE76

accent

#B347E1

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F56B1

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

Preview Lab → · Contrast checker → · Palette generator →