#2F4CB1#2F4CB1

#2F4CB1 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.164 H 267.3°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#2F4CB1
RGB	rgb(47, 76, 177)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(73.4%, 57.1%, 0%, 30.6%)
CIE-LAB	lab(35.88, 25.03, -56.94)
CIE-LCH	lch(35.88, 62.20, 293.73°)
OKLab	oklab(45.66% -0.0077 -0.1642)
OKLCH	oklch(45.66% 0.164 267.3)
XYZ	xyz(11.6898, 8.9463, 42.6972)
Luminance	0.0895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4CB1 #B1942F

analogous

#2F8DB1 #2F4CB1 #532FB1

triadic

#2F4CB1 #B12F4C #4CB12F

tetradic

#2F4CB1 #B12F8D #B1942F #2FB153

square

#2F4CB1 #B12F8D #B1942F #2FB153

split-complementary

#2F4CB1 #B1532F #8DB12F

monochromatic

#152250 #223781 #2F4CB1 #4D6AD0 #7E93DD

Accessibility & contrast

On white

7.53

#2F4CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#2F4CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4CB1

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4CB1	#FFFFFF	#000000	##FFFFFF
##2F4CB1	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB4

Deuteranopia (green-blind)

#004FAF

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4cb1;
/* rgb */ color: rgb(47, 76, 177);
/* oklch */ color: oklch(45.7% 0.164 267.3);

Tailwind

colors: {
  custom: {
    50: '#7a7dc9',
    500: '#2f4cb1',
    950: '#000000',
  },
}

SCSS

$custom: #2f4cb1;
$custom-light: #7a7dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4cb1",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 177
  },
  "hsl": {
    "h": 226.615,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4566,
    "c": 0.16435,
    "h": 267.3
  },
  "luminance": 0.08948
}

Semantic roles & 50–950 ramp

primary

#2F4CB1

secondary

#C5B476

accent

#BF47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4CB1

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

Preview Lab → · Contrast checker → · Palette generator →