#2F4FA0#2F4FA0

#2F4FA0 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.137 H 265.1°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FA0
RGB	rgb(47, 79, 160)
HSL	hsl(223, 55%, 41%)
HSV	hsv(223, 71%, 63%)
CMYK	cmyk(70.6%, 50.6%, 0%, 37.3%)
CIE-LAB	lab(35.47, 16.63, -47.47)
CIE-LCH	lch(35.47, 50.30, 289.31°)
OKLab	oklab(44.95% -0.0116 -0.1363)
OKLCH	oklch(44.95% 0.137 265.1)
XYZ	xyz(10.3112, 8.7333, 34.3932)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FA0 #A0802F

analogous

#2F87A0 #2F4FA0 #482FA0

triadic

#2F4FA0 #A02F4F #4FA02F

tetradic

#2F4FA0 #A02F87 #A0802F #2FA048

square

#2F4FA0 #A02F87 #A0802F #2FA048

split-complementary

#2F4FA0 #A0482F #87A02F

monochromatic

#132041 #213871 #2F4FA0 #4469C8 #738FD6

Accessibility & contrast

On white

7.65

#2F4FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F4FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FA0

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FA0	#FFFFFF	#000000	##FFFFFF
##2F4FA0	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2059A3

Deuteranopia (green-blind)

#004F9E

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4fa0;
/* rgb */ color: rgb(47, 79, 160);
/* oklch */ color: oklch(45.0% 0.137 265.1);

Tailwind

colors: {
  custom: {
    50: '#767fbd',
    500: '#2f4fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fa0;
$custom-light: #767fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fa0",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 160
  },
  "hsl": {
    "h": 223.009,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.44954,
    "c": 0.13678,
    "h": 265.1
  },
  "luminance": 0.08734
}

Semantic roles & 50–950 ramp

primary

#2F4FA0

secondary

#BEA76D

accent

#B44ADE

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2F4FA0

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

Preview Lab → · Contrast checker → · Palette generator →