#2F4E83#2F4E83

#2F4E83 is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.7% C 0.096 H 260.5°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#2F4E83
RGB	rgb(47, 78, 131)
HSL	hsl(218, 47%, 35%)
HSV	hsv(218, 64%, 51%)
CMYK	cmyk(64.1%, 40.5%, 0%, 48.6%)
CIE-LAB	lab(33.33, 6.42, -33.24)
CIE-LCH	lch(33.33, 33.86, 280.92°)
OKLab	oklab(42.72% -0.0158 -0.0945)
OKLCH	oklch(42.72% 0.096 260.5)
XYZ	xyz(7.9920, 7.6911, 22.5317)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4E83 #83642F

analogous

#2F7883 #2F4E83 #3A2F83

triadic

#2F4E83 #832F4E #4E832F

tetradic

#2F4E83 #832F78 #83642F #2F833A

square

#2F4E83 #832F78 #83642F #2F833A

split-complementary

#2F4E83 #833A2F #78832F

monochromatic

#0F1829 #1F3356 #2F4E83 #3F69B0 #6589C8

Accessibility & contrast

On white

8.27

#2F4E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2F4E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4E83

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4E83	#FFFFFF	#000000	##FFFFFF
##2F4E83	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375385

Deuteranopia (green-blind)

#2B4B82

Tritanopia (blue-blind)

#005A62

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4e83;
/* rgb */ color: rgb(47, 78, 131);
/* oklch */ color: oklch(42.7% 0.096 260.5);

Tailwind

colors: {
  custom: {
    50: '#707fa7',
    500: '#2f4e83',
    950: '#000000',
  },
}

SCSS

$custom: #2f4e83;
$custom-light: #707fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4e83",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 131
  },
  "hsl": {
    "h": 217.857,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4272,
    "c": 0.0958,
    "h": 260.5
  },
  "luminance": 0.07692
}

Semantic roles & 50–950 ramp

primary

#2F4E83

secondary

#AF915F

accent

#A551D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2F4E83

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

Preview Lab → · Contrast checker → · Palette generator →