#2F48A6#2F48A6

#2F48A6 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.0% C 0.154 H 268.1°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F48A6
RGB	rgb(47, 72, 166)
HSL	hsl(227, 56%, 42%)
HSV	hsv(227, 72%, 65%)
CMYK	cmyk(71.7%, 56.6%, 0%, 34.9%)
CIE-LAB	lab(33.96, 23.56, -53.50)
CIE-LCH	lch(33.96, 58.46, 293.76°)
OKLab	oklab(43.96% -0.005 -0.1541)
OKLCH	oklch(43.96% 0.154 268.1)
XYZ	xyz(10.3702, 7.9912, 37.0649)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48A6 #A68D2F

analogous

#2F84A6 #2F48A6 #522FA6

triadic

#2F48A6 #A62F48 #48A62F

tetradic

#2F48A6 #A62F84 #A68D2F #2FA652

square

#2F48A6 #A62F84 #A68D2F #2FA652

split-complementary

#2F48A6 #A6522F #84A62F

monochromatic

#141F47 #213376 #2F48A6 #4763CB #778BD8

Accessibility & contrast

On white

8.08

#2F48A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2F48A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48A6

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48A6	#FFFFFF	#000000	##FFFFFF
##2F48A6	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A9

Deuteranopia (green-blind)

#004BA4

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f48a6;
/* rgb */ color: rgb(47, 72, 166);
/* oklch */ color: oklch(44.0% 0.154 268.1);

Tailwind

colors: {
  custom: {
    50: '#777ac1',
    500: '#2f48a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f48a6;
$custom-light: #777ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48a6",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 166
  },
  "hsl": {
    "h": 227.395,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43957,
    "c": 0.1542,
    "h": 268.1
  },
  "luminance": 0.07992
}

Semantic roles & 50–950 ramp

primary

#2F48A6

secondary

#C1B070

accent

#C049DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F48A6

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

Preview Lab → · Contrast checker → · Palette generator →