#2F54B2#2F54B2

#2F54B2 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.4% C 0.156 H 264.8°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B2
RGB	rgb(47, 84, 178)
HSL	hsl(223, 58%, 44%)
HSV	hsv(223, 74%, 70%)
CMYK	cmyk(73.6%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(38.12, 20.13, -53.89)
CIE-LCH	lch(38.12, 57.53, 290.48°)
OKLab	oklab(47.38% -0.014 -0.1551)
OKLCH	oklch(47.38% 0.156 264.8)
XYZ	xyz(12.3757, 10.1580, 43.4193)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B2 #B28D2F

analogous

#2F96B2 #2F54B2 #4B2FB2

triadic

#2F54B2 #B22F54 #54B22F

tetradic

#2F54B2 #B22F96 #B28D2F #2FB24B

square

#2F54B2 #B22F96 #B28D2F #2FB24B

split-complementary

#2F54B2 #B24B2F #96B22F

monochromatic

#152651 #223D82 #2F54B2 #4E73D0 #7E99DD

Accessibility & contrast

On white

6.93

#2F54B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2F54B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B2

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B2	#FFFFFF	#000000	##FFFFFF
##2F54B2	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1360B5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f54b2;
/* rgb */ color: rgb(47, 84, 178);
/* oklch */ color: oklch(47.4% 0.156 264.8);

Tailwind

colors: {
  custom: {
    50: '#7983ca',
    500: '#2f54b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b2;
$custom-light: #7983ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b2",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 223.053,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47376,
    "c": 0.15571,
    "h": 264.8
  },
  "luminance": 0.10159
}

Semantic roles & 50–950 ramp

primary

#2F54B2

secondary

#C6B077

accent

#B646E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F54B2

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

Preview Lab → · Contrast checker → · Palette generator →