#2F54B3#2F54B3

#2F54B3 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.157 H 264.9°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B3
RGB	rgb(47, 84, 179)
HSL	hsl(223, 58%, 44%)
HSV	hsv(223, 74%, 70%)
CMYK	cmyk(73.7%, 53.1%, 0%, 29.8%)
CIE-LAB	lab(38.20, 20.51, -54.37)
CIE-LCH	lch(38.20, 58.10, 290.67°)
OKLab	oklab(47.45% -0.0139 -0.1565)
OKLCH	oklch(47.45% 0.157 264.9)
XYZ	xyz(12.4764, 10.1983, 43.9500)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B3 #B38E2F

analogous

#2F96B3 #2F54B3 #4C2FB3

triadic

#2F54B3 #B32F54 #54B32F

tetradic

#2F54B3 #B32F96 #B38E2F #2FB34C

square

#2F54B3 #B32F96 #B38E2F #2FB34C

split-complementary

#2F54B3 #B34C2F #96B32F

monochromatic

#162752 #223D83 #2F54B3 #4F73D1 #7F99DD

Accessibility & contrast

On white

6.91

#2F54B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2F54B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B3	#FFFFFF	#000000	##FFFFFF
##2F54B3	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1060B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f54b3;
/* rgb */ color: rgb(47, 84, 179);
/* oklch */ color: oklch(47.5% 0.157 264.9);

Tailwind

colors: {
  custom: {
    50: '#7a83ca',
    500: '#2f54b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b3;
$custom-light: #7a83ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b3",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 179
  },
  "hsl": {
    "h": 223.182,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47453,
    "c": 0.15709,
    "h": 264.9
  },
  "luminance": 0.102
}

Semantic roles & 50–950 ramp

primary

#2F54B3

secondary

#C6B078

accent

#B646E2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F54B3

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

Preview Lab → · Contrast checker → · Palette generator →