#2F51AF#2F51AF

#2F51AF is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.155 H 265.6°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#2F51AF
RGB	rgb(47, 81, 175)
HSL	hsl(224, 58%, 44%)
HSV	hsv(224, 73%, 69%)
CMYK	cmyk(73.1%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(37.08, 20.97, -53.80)
CIE-LCH	lch(37.08, 57.75, 291.30°)
OKLab	oklab(46.52% -0.0118 -0.1549)
OKLCH	oklch(46.52% 0.155 265.6)
XYZ	xyz(11.8499, 9.5831, 41.7743)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F51AF #AF8D2F

analogous

#2F91AF #2F51AF #4D2FAF

triadic

#2F51AF #AF2F51 #51AF2F

tetradic

#2F51AF #AF2F91 #AF8D2F #2FAF4D

square

#2F51AF #AF2F91 #AF8D2F #2FAF4D

split-complementary

#2F51AF #AF4D2F #91AF2F

monochromatic

#15244F #223B7F #2F51AF #4C6FCF #7C96DC

Accessibility & contrast

On white

7.20

#2F51AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#2F51AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F51AF

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F51AF	#FFFFFF	#000000	##FFFFFF
##2F51AF	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A5DB2

Deuteranopia (green-blind)

#0052AD

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #2f51af;
/* rgb */ color: rgb(47, 81, 175);
/* oklch */ color: oklch(46.5% 0.155 265.6);

Tailwind

colors: {
  custom: {
    50: '#7981c8',
    500: '#2f51af',
    950: '#000000',
  },
}

SCSS

$custom: #2f51af;
$custom-light: #7981c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f51af",
  "rgb": {
    "r": 47,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 224.063,
    "s": 57.658,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46519,
    "c": 0.15532,
    "h": 265.6
  },
  "luminance": 0.09584
}

Semantic roles & 50–950 ramp

primary

#2F51AF

secondary

#C4AF75

accent

#B847E1

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F51AF

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

Preview Lab → · Contrast checker → · Palette generator →