#2F4B83#2F4B83

#2F4B83 is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.0% C 0.100 H 262.8°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F4B83
RGB	rgb(47, 75, 131)
HSL	hsl(220, 47%, 35%)
HSV	hsv(220, 64%, 51%)
CMYK	cmyk(64.1%, 42.7%, 0%, 48.6%)
CIE-LAB	lab(32.42, 8.41, -34.69)
CIE-LCH	lch(32.42, 35.69, 283.62°)
OKLab	oklab(42.02% -0.0125 -0.0987)
OKLCH	oklch(42.02% 0.1 262.8)
XYZ	xyz(7.7837, 7.2745, 22.4623)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4B83 #83672F

analogous

#2F7583 #2F4B83 #3D2F83

triadic

#2F4B83 #832F4B #4B832F

tetradic

#2F4B83 #832F75 #83672F #2F833D

square

#2F4B83 #832F75 #83672F #2F833D

split-complementary

#2F4B83 #833D2F #75832F

monochromatic

#0F1729 #1F3156 #2F4B83 #3F65B0 #6586C8

Accessibility & contrast

On white

8.55

#2F4B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F4B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4B83

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4B83	#FFFFFF	#000000	##FFFFFF
##2F4B83	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325085

Deuteranopia (green-blind)

#264982

Tritanopia (blue-blind)

#005860

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f4b83;
/* rgb */ color: rgb(47, 75, 131);
/* oklch */ color: oklch(42.0% 0.100 262.8);

Tailwind

colors: {
  custom: {
    50: '#707ca7',
    500: '#2f4b83',
    950: '#000000',
  },
}

SCSS

$custom: #2f4b83;
$custom-light: #707ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4b83",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 131
  },
  "hsl": {
    "h": 220,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42018,
    "c": 0.09953,
    "h": 262.8
  },
  "luminance": 0.07275
}

Semantic roles & 50–950 ramp

primary

#2F4B83

secondary

#AF945F

accent

#AA51D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2F4B83

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

Preview Lab → · Contrast checker → · Palette generator →