#2F4FA1#2F4FA1

#2F4FA1 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.0% C 0.138 H 265.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FA1
RGB	rgb(47, 79, 161)
HSL	hsl(223, 55%, 41%)
HSV	hsv(223, 71%, 63%)
CMYK	cmyk(70.8%, 50.9%, 0%, 36.9%)
CIE-LAB	lab(35.53, 17.01, -47.96)
CIE-LCH	lch(35.53, 50.89, 289.53°)
OKLab	oklab(45.03% -0.0115 -0.1377)
OKLCH	oklch(45.03% 0.138 265.2)
XYZ	xyz(10.3990, 8.7685, 34.8557)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FA1 #A1812F

analogous

#2F88A1 #2F4FA1 #482FA1

triadic

#2F4FA1 #A12F4F #4FA12F

tetradic

#2F4FA1 #A12F88 #A1812F #2FA148

square

#2F4FA1 #A12F88 #A1812F #2FA148

split-complementary

#2F4FA1 #A1482F #88A12F

monochromatic

#132142 #213872 #2F4FA1 #456AC9 #7490D6

Accessibility & contrast

On white

7.63

#2F4FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F4FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4FA1

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FA1	#FFFFFF	#000000	##FFFFFF
##2F4FA1	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F59A4

Deuteranopia (green-blind)

#004F9F

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4fa1;
/* rgb */ color: rgb(47, 79, 161);
/* oklch */ color: oklch(45.0% 0.138 265.2);

Tailwind

colors: {
  custom: {
    50: '#767fbd',
    500: '#2f4fa1',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fa1;
$custom-light: #767fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fa1",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 161
  },
  "hsl": {
    "h": 223.158,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.45028,
    "c": 0.1382,
    "h": 265.2
  },
  "luminance": 0.0877
}

Semantic roles & 50–950 ramp

primary

#2F4FA1

secondary

#BEA86E

accent

#B44ADE

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F4FA1

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

Preview Lab → · Contrast checker → · Palette generator →