#2F4FD4#2F4FD4

#2F4FD4 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.2% C 0.207 H 267.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F4FD4
RGB	rgb(47, 79, 212)
HSL	hsl(228, 66%, 51%)
HSV	hsv(228, 78%, 83%)
CMYK	cmyk(77.8%, 62.7%, 0%, 16.9%)
CIE-LAB	lab(39.49, 36.01, -71.47)
CIE-LCH	lch(39.49, 80.02, 296.74°)
OKLab	oklab(49.23% -0.0094 -0.2067)
OKLCH	oklch(49.23% 0.207 267.4)
XYZ	xyz(15.8478, 10.9480, 63.5525)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4FD4 #D4B42F

analogous

#2FA1D4 #2F4FD4 #622FD4

triadic

#2F4FD4 #D42F4F #4FD42F

tetradic

#2F4FD4 #D42FA1 #D4B42F #2FD462

square

#2F4FD4 #D42FA1 #D4B42F #2FD462

split-complementary

#2F4FD4 #D4622F #A1D42F

monochromatic

#172971 #223BA4 #2F4FD4 #627ADE #94A5E9

Accessibility & contrast

On white

6.58

#2F4FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2F4FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F4FD4

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4FD4	#FFFFFF	#000000	##FFFFFF
##2F4FD4	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D8

Deuteranopia (green-blind)

#0055D1

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2f4fd4;
/* rgb */ color: rgb(47, 79, 212);
/* oklch */ color: oklch(49.2% 0.207 267.4);

Tailwind

colors: {
  custom: {
    50: '#8280e2',
    500: '#2f4fd4',
    950: '#000000',
  },
}

SCSS

$custom: #2f4fd4;
$custom-light: #8280e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4fd4",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 212
  },
  "hsl": {
    "h": 228.364,
    "s": 65.737,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49233,
    "c": 0.20696,
    "h": 267.4
  },
  "luminance": 0.1095
}

Semantic roles & 50–950 ramp

primary

#2F4FD4

secondary

#D4C68B

accent

#C83FE9

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0A16

muted

#7D7C84

Preview Lab

Preview with #2F4FD4

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

Preview Lab → · Contrast checker → · Palette generator →