#2F4EA3#2F4EA3

#2F4EA3 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 45.0% C 0.142 H 265.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F4EA3
RGB	rgb(47, 78, 163)
HSL	hsl(224, 55%, 41%)
HSV	hsv(224, 71%, 64%)
CMYK	cmyk(71.2%, 52.1%, 0%, 36.1%)
CIE-LAB	lab(35.39, 18.43, -49.39)
CIE-LCH	lch(35.39, 52.72, 290.46°)
OKLab	oklab(44.97% -0.0104 -0.1419)
OKLCH	oklch(44.97% 0.142 265.8)
XYZ	xyz(10.5052, 8.6964, 35.7682)
Luminance	0.0870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4EA3 #A3842F

analogous

#2F88A3 #2F4EA3 #4A2FA3

triadic

#2F4EA3 #A32F4E #4EA32F

tetradic

#2F4EA3 #A32F88 #A3842F #2FA34A

square

#2F4EA3 #A32F88 #A3842F #2FA34A

split-complementary

#2F4EA3 #A34A2F #88A32F

monochromatic

#142144 #213773 #2F4EA3 #4669CA #758FD7

Accessibility & contrast

On white

7.67

#2F4EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2F4EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4EA3

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4EA3	#FFFFFF	#000000	##FFFFFF
##2F4EA3	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1959A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f4ea3;
/* rgb */ color: rgb(47, 78, 163);
/* oklch */ color: oklch(45.0% 0.142 265.8);

Tailwind

colors: {
  custom: {
    50: '#767fbf',
    500: '#2f4ea3',
    950: '#000000',
  },
}

SCSS

$custom: #2f4ea3;
$custom-light: #767fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4ea3",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 163
  },
  "hsl": {
    "h": 223.966,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44965,
    "c": 0.14231,
    "h": 265.8
  },
  "luminance": 0.08697
}

Semantic roles & 50–950 ramp

primary

#2F4EA3

secondary

#BFAA6F

accent

#B749DF

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #2F4EA3

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

Preview Lab → · Contrast checker → · Palette generator →