#2F48A1#2F48A1

#2F48A1 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.147 H 267.9°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F48A1
RGB	rgb(47, 72, 161)
HSL	hsl(227, 55%, 41%)
HSV	hsv(227, 71%, 63%)
CMYK	cmyk(70.8%, 55.3%, 0%, 36.9%)
CIE-LAB	lab(33.59, 21.68, -51.11)
CIE-LCH	lch(33.59, 55.52, 292.98°)
OKLab	oklab(43.55% -0.0053 -0.1471)
OKLCH	oklch(43.55% 0.147 267.9)
XYZ	xyz(9.9205, 7.8113, 34.6962)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F48A1 #A1882F

analogous

#2F81A1 #2F48A1 #4F2FA1

triadic

#2F48A1 #A12F48 #48A12F

tetradic

#2F48A1 #A12F81 #A1882F #2FA14F

square

#2F48A1 #A12F81 #A1882F #2FA14F

split-complementary

#2F48A1 #A14F2F #81A12F

monochromatic

#131E42 #213372 #2F48A1 #4562C9 #748AD6

Accessibility & contrast

On white

8.20

#2F48A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2F48A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F48A1

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F48A1	#FFFFFF	#000000	##FFFFFF
##2F48A1	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#004A9F

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f48a1;
/* rgb */ color: rgb(47, 72, 161);
/* oklch */ color: oklch(43.6% 0.147 267.9);

Tailwind

colors: {
  custom: {
    50: '#767abd',
    500: '#2f48a1',
    950: '#000000',
  },
}

SCSS

$custom: #2f48a1;
$custom-light: #767abd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f48a1",
  "rgb": {
    "r": 47,
    "g": 72,
    "b": 161
  },
  "hsl": {
    "h": 226.842,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43553,
    "c": 0.14719,
    "h": 267.9
  },
  "luminance": 0.07812
}

Semantic roles & 50–950 ramp

primary

#2F48A1

secondary

#BEAD6E

accent

#BE4ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F48A1

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

Preview Lab → · Contrast checker → · Palette generator →