#2F48B3#2F48B3

#2F48B3 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.172 H 268.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F48B3
RGB	rgb(47, 72, 179)
HSL	hsl(229, 58%, 44%)
HSV	hsv(229, 74%, 70%)
CMYK	cmyk(73.7%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(34.99, 28.40, -59.58)
CIE-LCH	lch(34.99, 66.00, 295.49°)
OKLab	oklab(45.04% -0.0047 -0.172)
OKLCH	oklch(45.04% 0.172 268.4)
XYZ	xyz(11.6235, 8.4925, 43.6657)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48B3 #B39A2F

analogous

#2F8AB3 #2F48B3 #582FB3

triadic

#2F48B3 #B32F48 #48B32F

tetradic

#2F48B3 #B32F8A #B39A2F #2FB358

square

#2F48B3 #B32F8A #B39A2F #2FB358

split-complementary

#2F48B3 #B3582F #8AB32F

monochromatic

#162152 #223583 #2F48B3 #4F67D1 #7F91DD

Accessibility & contrast

On white

7.78

#2F48B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2F48B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48B3

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48B3	#FFFFFF	#000000	##FFFFFF
##2F48B3	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f48b3;
/* rgb */ color: rgb(47, 72, 179);
/* oklch */ color: oklch(45.0% 0.172 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a7acb',
    500: '#2f48b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f48b3;
$custom-light: #7a7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48b3",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 228.636,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45043,
    "c": 0.17204,
    "h": 268.4
  },
  "luminance": 0.08494
}

Semantic roles & 50–950 ramp

primary

#2F48B3

secondary

#C6B778

accent

#C446E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F48B3

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

Preview Lab → · Contrast checker → · Palette generator →