#2F48A5#2F48A5

#2F48A5 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.153 H 268.1°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2F48A5
RGB	rgb(47, 72, 165)
HSL	hsl(227, 56%, 42%)
HSV	hsv(227, 72%, 65%)
CMYK	cmyk(71.5%, 56.4%, 0%, 35.3%)
CIE-LAB	lab(33.89, 23.18, -53.03)
CIE-LCH	lch(33.89, 57.87, 293.61°)
OKLab	oklab(43.88% -0.0051 -0.1527)
OKLCH	oklch(43.88% 0.153 268.1)
XYZ	xyz(10.2788, 7.9546, 36.5837)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48A5 #A58C2F

analogous

#2F83A5 #2F48A5 #512FA5

triadic

#2F48A5 #A52F48 #48A52F

tetradic

#2F48A5 #A52F83 #A58C2F #2FA551

square

#2F48A5 #A52F83 #A58C2F #2FA551

split-complementary

#2F48A5 #A5512F #83A52F

monochromatic

#141E46 #213375 #2F48A5 #4763CB #768BD8

Accessibility & contrast

On white

8.10

#2F48A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2F48A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48A5

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48A5	#FFFFFF	#000000	##FFFFFF
##2F48A5	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A8

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f48a5;
/* rgb */ color: rgb(47, 72, 165);
/* oklch */ color: oklch(43.9% 0.153 268.1);

Tailwind

colors: {
  custom: {
    50: '#777ac0',
    500: '#2f48a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f48a5;
$custom-light: #777ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48a5",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 165
  },
  "hsl": {
    "h": 227.288,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43875,
    "c": 0.1528,
    "h": 268.1
  },
  "luminance": 0.07956
}

Semantic roles & 50–950 ramp

primary

#2F48A5

secondary

#C0AF70

accent

#BF49DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F48A5

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

Preview Lab → · Contrast checker → · Palette generator →