#2F54B4#2F54B4

#2F54B4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.158 H 265.0°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B4
RGB	rgb(47, 84, 180)
HSL	hsl(223, 59%, 45%)
HSV	hsv(223, 74%, 71%)
CMYK	cmyk(73.9%, 53.3%, 0%, 29.4%)
CIE-LAB	lab(38.27, 20.88, -54.84)
CIE-LCH	lch(38.27, 58.68, 290.85°)
OKLab	oklab(47.53% -0.0138 -0.1579)
OKLCH	oklch(47.53% 0.158 265)
XYZ	xyz(12.5779, 10.2389, 44.4846)
Luminance	0.1024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B4 #B48F2F

analogous

#2F97B4 #2F54B4 #4C2FB4

triadic

#2F54B4 #B42F54 #54B42F

tetradic

#2F54B4 #B42F97 #B48F2F #2FB44C

square

#2F54B4 #B42F97 #B48F2F #2FB44C

split-complementary

#2F54B4 #B44C2F #97B42F

monochromatic

#162753 #223D83 #2F54B4 #4F73D1 #809ADE

Accessibility & contrast

On white

6.89

#2F54B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2F54B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B4

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B4	#FFFFFF	#000000	##FFFFFF
##2F54B4	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D60B7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f54b4;
/* rgb */ color: rgb(47, 84, 180);
/* oklch */ color: oklch(47.5% 0.158 265.0);

Tailwind

colors: {
  custom: {
    50: '#7a83cb',
    500: '#2f54b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b4;
$custom-light: #7a83cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b4",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 180
  },
  "hsl": {
    "h": 223.308,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4753,
    "c": 0.15847,
    "h": 265
  },
  "luminance": 0.1024
}

Semantic roles & 50–950 ramp

primary

#2F54B4

secondary

#C7B178

accent

#B646E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F54B4

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

Preview Lab → · Contrast checker → · Palette generator →