#2F54B1#2F54B1

#2F54B1 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.154 H 264.8°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B1
RGB	rgb(47, 84, 177)
HSL	hsl(223, 58%, 44%)
HSV	hsv(223, 73%, 69%)
CMYK	cmyk(73.4%, 52.5%, 0%, 30.6%)
CIE-LAB	lab(38.05, 19.75, -53.42)
CIE-LCH	lch(38.05, 56.95, 290.29°)
OKLab	oklab(47.3% -0.0141 -0.1537)
OKLCH	oklch(47.3% 0.154 264.8)
XYZ	xyz(12.2756, 10.1180, 42.8925)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B1 #B18C2F

analogous

#2F95B1 #2F54B1 #4B2FB1

triadic

#2F54B1 #B12F54 #54B12F

tetradic

#2F54B1 #B12F95 #B18C2F #2FB14B

square

#2F54B1 #B12F95 #B18C2F #2FB14B

split-complementary

#2F54B1 #B14B2F #95B12F

monochromatic

#152650 #223D81 #2F54B1 #4D73D0 #7E99DD

Accessibility & contrast

On white

6.94

#2F54B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2F54B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B1

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B1	#FFFFFF	#000000	##FFFFFF
##2F54B1	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1560B4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f54b1;
/* rgb */ color: rgb(47, 84, 177);
/* oklch */ color: oklch(47.3% 0.154 264.8);

Tailwind

colors: {
  custom: {
    50: '#7983c9',
    500: '#2f54b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b1;
$custom-light: #7983c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b1",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 177
  },
  "hsl": {
    "h": 222.923,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.473,
    "c": 0.15432,
    "h": 264.8
  },
  "luminance": 0.10119
}

Semantic roles & 50–950 ramp

primary

#2F54B1

secondary

#C5AF76

accent

#B547E1

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F54B1

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

Preview Lab → · Contrast checker → · Palette generator →