#2F48A4#2F48A4

#2F48A4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.151 H 268.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F48A4
RGB	rgb(47, 72, 164)
HSL	hsl(227, 55%, 41%)
HSV	hsv(227, 71%, 64%)
CMYK	cmyk(71.3%, 56.1%, 0%, 35.7%)
CIE-LAB	lab(33.81, 22.81, -52.55)
CIE-LCH	lch(33.81, 57.28, 293.46°)
OKLab	oklab(43.79% -0.0051 -0.1513)
OKLCH	oklch(43.79% 0.151 268.1)
XYZ	xyz(10.1882, 7.9184, 36.1062)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48A4 #A48B2F

analogous

#2F83A4 #2F48A4 #512FA4

triadic

#2F48A4 #A42F48 #48A42F

tetradic

#2F48A4 #A42F83 #A48B2F #2FA451

square

#2F48A4 #A42F83 #A48B2F #2FA451

split-complementary

#2F48A4 #A4512F #83A42F

monochromatic

#141E45 #213374 #2F48A4 #4662CA #768BD8

Accessibility & contrast

On white

8.13

#2F48A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2F48A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48A4

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48A4	#FFFFFF	#000000	##FFFFFF
##2F48A4	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f48a4;
/* rgb */ color: rgb(47, 72, 164);
/* oklch */ color: oklch(43.8% 0.151 268.1);

Tailwind

colors: {
  custom: {
    50: '#777ac0',
    500: '#2f48a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f48a4;
$custom-light: #777ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48a4",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 164
  },
  "hsl": {
    "h": 227.179,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43794,
    "c": 0.15141,
    "h": 268.1
  },
  "luminance": 0.07919
}

Semantic roles & 50–950 ramp

primary

#2F48A4

secondary

#C0AE6F

accent

#BF49DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F48A4

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

Preview Lab → · Contrast checker → · Palette generator →