#2F4FB8#2F4FB8

#2F4FB8 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.170 H 266.7°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FB8
RGB	rgb(47, 79, 184)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 74%, 72%)
CMYK	cmyk(74.5%, 57.1%, 0%, 27.8%)
CIE-LAB	lab(37.22, 25.68, -58.90)
CIE-LCH	lch(37.22, 64.25, 293.55°)
OKLab	oklab(46.83% -0.0097 -0.1699)
OKLCH	oklch(46.83% 0.17 266.7)
XYZ	xyz(12.6170, 9.6556, 46.5369)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FB8 #B8982F

analogous

#2F94B8 #2F4FB8 #532FB8

triadic

#2F4FB8 #B82F4F #4FB82F

tetradic

#2F4FB8 #B82F94 #B8982F #2FB853

square

#2F4FB8 #B82F94 #B8982F #2FB853

split-complementary

#2F4FB8 #B8532F #94B82F

monochromatic

#162557 #233A87 #2F4FB8 #5270D3 #8298DF

Accessibility & contrast

On white

7.16

#2F4FB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#2F4FB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FB8

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FB8	#FFFFFF	#000000	##FFFFFF
##2F4FB8	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBC

Deuteranopia (green-blind)

#0051B6

Tritanopia (blue-blind)

#00697C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f4fb8;
/* rgb */ color: rgb(47, 79, 184);
/* oklch */ color: oklch(46.8% 0.170 266.7);

Tailwind

colors: {
  custom: {
    50: '#7b7fce',
    500: '#2f4fb8',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fb8;
$custom-light: #7b7fce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fb8",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 184
  },
  "hsl": {
    "h": 225.985,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46832,
    "c": 0.17015,
    "h": 266.7
  },
  "luminance": 0.09657
}

Semantic roles & 50–950 ramp

primary

#2F4FB8

secondary

#C8B67B

accent

#BE45E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F4FB8

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

Preview Lab → · Contrast checker → · Palette generator →