#2F48B2#2F48B2

#2F48B2 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.171 H 268.4°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F48B2
RGB	rgb(47, 72, 178)
HSL	hsl(229, 58%, 44%)
HSV	hsv(229, 74%, 70%)
CMYK	cmyk(73.6%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(34.91, 28.03, -59.12)
CIE-LCH	lch(34.91, 65.43, 295.37°)
OKLab	oklab(44.96% -0.0047 -0.1706)
OKLCH	oklch(44.96% 0.171 268.4)
XYZ	xyz(11.5228, 8.4522, 43.1350)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48B2 #B2992F

analogous

#2F8AB2 #2F48B2 #582FB2

triadic

#2F48B2 #B22F48 #48B22F

tetradic

#2F48B2 #B22F8A #B2992F #2FB258

square

#2F48B2 #B22F8A #B2992F #2FB258

split-complementary

#2F48B2 #B2582F #8AB22F

monochromatic

#152151 #223482 #2F48B2 #4E67D0 #7E90DD

Accessibility & contrast

On white

7.80

#2F48B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2F48B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48B2

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48B2	#FFFFFF	#000000	##FFFFFF
##2F48B2	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f48b2;
/* rgb */ color: rgb(47, 72, 178);
/* oklch */ color: oklch(45.0% 0.171 268.4);

Tailwind

colors: {
  custom: {
    50: '#7a7aca',
    500: '#2f48b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f48b2;
$custom-light: #7a7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48b2",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 228.55,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44957,
    "c": 0.17068,
    "h": 268.4
  },
  "luminance": 0.08453
}

Semantic roles & 50–950 ramp

primary

#2F48B2

secondary

#C6B777

accent

#C446E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F48B2

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

Preview Lab → · Contrast checker → · Palette generator →