#2F4F83#2F4F83

#2F4F83 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.095 H 259.7°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F83
RGB	rgb(47, 79, 131)
HSL	hsl(217, 47%, 35%)
HSV	hsv(217, 64%, 51%)
CMYK	cmyk(64.1%, 39.7%, 0%, 48.6%)
CIE-LAB	lab(33.64, 5.76, -32.76)
CIE-LCH	lch(33.64, 33.26, 279.97°)
OKLab	oklab(42.96% -0.017 -0.0931)
OKLCH	oklch(42.96% 0.095 259.7)
XYZ	xyz(8.0636, 7.8343, 22.5556)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F83 #83632F

analogous

#2F7983 #2F4F83 #392F83

triadic

#2F4F83 #832F4F #4F832F

tetradic

#2F4F83 #832F79 #83632F #2F8339

square

#2F4F83 #832F79 #83632F #2F8339

split-complementary

#2F4F83 #83392F #79832F

monochromatic

#0F1929 #1F3456 #2F4F83 #3F6AB0 #658AC8

Accessibility & contrast

On white

8.18

#2F4F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F4F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F83

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F83	#FFFFFF	#000000	##FFFFFF
##2F4F83	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385385

Deuteranopia (green-blind)

#2D4B82

Tritanopia (blue-blind)

#005B62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f4f83;
/* rgb */ color: rgb(47, 79, 131);
/* oklch */ color: oklch(43.0% 0.095 259.7);

Tailwind

colors: {
  custom: {
    50: '#7080a7',
    500: '#2f4f83',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f83;
$custom-light: #7080a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f83",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 131
  },
  "hsl": {
    "h": 217.143,
    "s": 47.191,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42956,
    "c": 0.09459,
    "h": 259.7
  },
  "luminance": 0.07835
}

Semantic roles & 50–950 ramp

primary

#2F4F83

secondary

#AF905F

accent

#A451D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2F4F83

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

Preview Lab → · Contrast checker → · Palette generator →