#2F4CB0#2F4CB0

#2F4CB0 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.6% C 0.163 H 267.3°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F4CB0
RGB	rgb(47, 76, 176)
HSL	hsl(227, 58%, 44%)
HSV	hsv(227, 73%, 69%)
CMYK	cmyk(73.3%, 56.8%, 0%, 31%)
CIE-LAB	lab(35.80, 24.65, -56.47)
CIE-LCH	lch(35.80, 61.62, 293.58°)
OKLab	oklab(45.58% -0.0077 -0.1628)
OKLCH	oklch(45.58% 0.163 267.3)
XYZ	xyz(11.5905, 8.9066, 42.1742)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4CB0 #B0932F

analogous

#2F8CB0 #2F4CB0 #522FB0

triadic

#2F4CB0 #B02F4C #4CB02F

tetradic

#2F4CB0 #B02F8C #B0932F #2FB052

square

#2F4CB0 #B02F8C #B0932F #2FB052

split-complementary

#2F4CB0 #B0522F #8CB02F

monochromatic

#15224F #223780 #2F4CB0 #4D6ACF #7D92DC

Accessibility & contrast

On white

7.55

#2F4CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#2F4CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4CB0

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4CB0	#FFFFFF	#000000	##FFFFFF
##2F4CB0	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB3

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#006576

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f4cb0;
/* rgb */ color: rgb(47, 76, 176);
/* oklch */ color: oklch(45.6% 0.163 267.3);

Tailwind

colors: {
  custom: {
    50: '#797dc8',
    500: '#2f4cb0',
    950: '#000000',
  },
}

SCSS

$custom: #2f4cb0;
$custom-light: #797dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4cb0",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 226.512,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45578,
    "c": 0.16298,
    "h": 267.3
  },
  "luminance": 0.08908
}

Semantic roles & 50–950 ramp

primary

#2F4CB0

secondary

#C5B376

accent

#BE47E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2F4CB0

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

Preview Lab → · Contrast checker → · Palette generator →