#2F4FBB#2F4FBB

#2F4FBB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.174 H 266.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FBB
RGB	rgb(47, 79, 187)
HSL	hsl(226, 60%, 46%)
HSV	hsv(226, 75%, 73%)
CMYK	cmyk(74.9%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(37.45, 26.80, -60.28)
CIE-LCH	lch(37.45, 65.97, 293.97°)
OKLab	oklab(47.08% -0.0095 -0.1739)
OKLCH	oklch(47.08% 0.174 266.9)
XYZ	xyz(12.9348, 9.7827, 48.2106)
Luminance	0.0978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FBB #BB9B2F

analogous

#2F95BB #2F4FBB #552FBB

triadic

#2F4FBB #BB2F4F #4FBB2F

tetradic

#2F4FBB #BB2F95 #BB9B2F #2FBB55

square

#2F4FBB #BB2F95 #BB9B2F #2FBB55

split-complementary

#2F4FBB #BB552F #95BB2F

monochromatic

#162659 #233A8A #2F4FBB #5371D4 #8499E0

Accessibility & contrast

On white

7.10

#2F4FBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2F4FBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FBB

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FBB	#FFFFFF	#000000	##FFFFFF
##2F4FBB	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f4fbb;
/* rgb */ color: rgb(47, 79, 187);
/* oklch */ color: oklch(47.1% 0.174 266.9);

Tailwind

colors: {
  custom: {
    50: '#7c7fd0',
    500: '#2f4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fbb;
$custom-light: #7c7fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fbb",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 226.286,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4708,
    "c": 0.17421,
    "h": 266.9
  },
  "luminance": 0.09784
}

Semantic roles & 50–950 ramp

primary

#2F4FBB

secondary

#C9B87C

accent

#BF45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F4FBB

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

Preview Lab → · Contrast checker → · Palette generator →