#2F4E81#2F4E81

#2F4E81 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.6% C 0.093 H 259.9°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2F4E81
RGB	rgb(47, 78, 129)
HSL	hsl(217, 47%, 35%)
HSV	hsv(217, 64%, 51%)
CMYK	cmyk(63.6%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(33.22, 5.68, -32.19)
CIE-LCH	lch(33.22, 32.69, 280.00°)
OKLab	oklab(42.59% -0.0163 -0.0914)
OKLCH	oklch(42.59% 0.093 259.9)
XYZ	xyz(7.8577, 7.6374, 21.8247)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4E81 #81622F

analogous

#2F7781 #2F4E81 #392F81

triadic

#2F4E81 #812F4E #4E812F

tetradic

#2F4E81 #812F77 #81622F #2F8139

square

#2F4E81 #812F77 #81622F #2F8139

split-complementary

#2F4E81 #81392F #77812F

monochromatic

#0E1827 #1F3354 #2F4E81 #3F69AE #6489C6

Accessibility & contrast

On white

8.31

#2F4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2F4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4E81

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4E81	#FFFFFF	#000000	##FFFFFF
##2F4E81	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385283

Deuteranopia (green-blind)

#2D4B80

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4e81;
/* rgb */ color: rgb(47, 78, 129);
/* oklch */ color: oklch(42.6% 0.093 259.9);

Tailwind

colors: {
  custom: {
    50: '#707fa6',
    500: '#2f4e81',
    950: '#000000',
  },
}

SCSS

$custom: #2f4e81;
$custom-light: #707fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4e81",
  "rgb": {
    "r": 47,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 217.317,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42593,
    "c": 0.09285,
    "h": 259.9
  },
  "luminance": 0.07638
}

Semantic roles & 50–950 ramp

primary

#2F4E81

secondary

#AD905E

accent

#A452D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #2F4E81

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

Preview Lab → · Contrast checker → · Palette generator →