#2F4AB8#2F4AB8

#2F4AB8 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.176 H 268.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F4AB8
RGB	rgb(47, 74, 184)
HSL	hsl(228, 59%, 45%)
HSV	hsv(228, 74%, 72%)
CMYK	cmyk(74.5%, 59.8%, 0%, 27.8%)
CIE-LAB	lab(35.91, 28.95, -61.03)
CIE-LCH	lch(35.91, 67.55, 295.38°)
OKLab	oklab(45.86% -0.006 -0.1762)
OKLCH	oklch(45.86% 0.176 268)
XYZ	xyz(12.2698, 8.9613, 46.4212)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4AB8 #B89D2F

analogous

#2F8EB8 #2F4AB8 #582FB8

triadic

#2F4AB8 #B82F4A #4AB82F

tetradic

#2F4AB8 #B82F8E #B89D2F #2FB858

square

#2F4AB8 #B82F8E #B89D2F #2FB858

split-complementary

#2F4AB8 #B8582F #8EB82F

monochromatic

#162357 #233687 #2F4AB8 #526BD3 #8295DF

Accessibility & contrast

On white

7.52

#2F4AB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2F4AB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4AB8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4AB8	#FFFFFF	#000000	##FFFFFF
##2F4AB8	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBC

Deuteranopia (green-blind)

#004EB6

Tritanopia (blue-blind)

#00667A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4ab8;
/* rgb */ color: rgb(47, 74, 184);
/* oklch */ color: oklch(45.9% 0.176 268.0);

Tailwind

colors: {
  custom: {
    50: '#7b7cce',
    500: '#2f4ab8',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ab8;
$custom-light: #7b7cce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ab8",
  "rgb": {
    "r": 47,
    "g": 74,
    "b": 184
  },
  "hsl": {
    "h": 228.175,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45855,
    "c": 0.17631,
    "h": 268
  },
  "luminance": 0.08963
}

Semantic roles & 50–950 ramp

primary

#2F4AB8

secondary

#C8B97B

accent

#C445E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F4AB8

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

Preview Lab → · Contrast checker → · Palette generator →