#2F47B1#2F47B1

#2F47B1 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.171 H 268.7°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F47B1
RGB	rgb(47, 71, 177)
HSL	hsl(229, 58%, 44%)
HSV	hsv(229, 73%, 69%)
CMYK	cmyk(73.4%, 59.9%, 0%, 30.6%)
CIE-LAB	lab(34.57, 28.32, -59.08)
CIE-LCH	lch(34.57, 65.52, 295.61°)
OKLab	oklab(44.68% -0.004 -0.1705)
OKLCH	oklch(44.68% 0.171 268.7)
XYZ	xyz(11.3586, 8.2839, 42.5868)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47B1 #B1992F

analogous

#2F88B1 #2F47B1 #582FB1

triadic

#2F47B1 #B12F47 #47B12F

tetradic

#2F47B1 #B12F88 #B1992F #2FB158

square

#2F47B1 #B12F88 #B1992F #2FB158

split-complementary

#2F47B1 #B1582F #88B12F

monochromatic

#152050 #223481 #2F47B1 #4D65D0 #7E8FDD

Accessibility & contrast

On white

7.90

#2F47B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2F47B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47B1

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47B1	#FFFFFF	#000000	##FFFFFF
##2F47B1	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006275

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f47b1;
/* rgb */ color: rgb(47, 71, 177);
/* oklch */ color: oklch(44.7% 0.171 268.7);

Tailwind

colors: {
  custom: {
    50: '#7a7ac9',
    500: '#2f47b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f47b1;
$custom-light: #7a7ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47b1",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 177
  },
  "hsl": {
    "h": 228.923,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44679,
    "c": 0.17057,
    "h": 268.7
  },
  "luminance": 0.08285
}

Semantic roles & 50–950 ramp

primary

#2F47B1

secondary

#C5B776

accent

#C547E1

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F47B1

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

Preview Lab → · Contrast checker → · Palette generator →