#2F4AB3#2F4AB3

#2F4AB3 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.4% C 0.170 H 267.9°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F4AB3
RGB	rgb(47, 74, 179)
HSL	hsl(228, 58%, 44%)
HSV	hsv(228, 74%, 70%)
CMYK	cmyk(73.7%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(35.51, 27.09, -58.73)
CIE-LCH	lch(35.51, 64.68, 294.76°)
OKLab	oklab(45.43% -0.0061 -0.1695)
OKLCH	oklch(45.43% 0.17 267.9)
XYZ	xyz(11.7549, 8.7553, 43.7095)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4AB3 #B3982F

analogous

#2F8CB3 #2F4AB3 #562FB3

triadic

#2F4AB3 #B32F4A #4AB32F

tetradic

#2F4AB3 #B32F8C #B3982F #2FB356

square

#2F4AB3 #B32F8C #B3982F #2FB356

split-complementary

#2F4AB3 #B3562F #8CB32F

monochromatic

#162252 #223683 #2F4AB3 #4F69D1 #7F92DD

Accessibility & contrast

On white

7.63

#2F4AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2F4AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4AB3

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4AB3	#FFFFFF	#000000	##FFFFFF
##2F4AB3	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)

#005AB7

Deuteranopia (green-blind)

#004EB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4ab3;
/* rgb */ color: rgb(47, 74, 179);
/* oklch */ color: oklch(45.4% 0.170 267.9);

Tailwind

colors: {
  custom: {
    50: '#7a7ccb',
    500: '#2f4ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ab3;
$custom-light: #7a7ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ab3",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 227.727,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45431,
    "c": 0.16957,
    "h": 267.9
  },
  "luminance": 0.08757
}

Semantic roles & 50–950 ramp

primary

#2F4AB3

secondary

#C6B678

accent

#C246E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F4AB3

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

Preview Lab → · Contrast checker → · Palette generator →