#2F4F8F#2F4F8F

#2F4F8F is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.7% C 0.112 H 262.7°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F4F8F
RGB	rgb(47, 79, 143)
HSL	hsl(220, 51%, 37%)
HSV	hsv(220, 67%, 56%)
CMYK	cmyk(67.1%, 44.8%, 0%, 43.9%)
CIE-LAB	lab(34.35, 10.22, -38.98)
CIE-LCH	lch(34.35, 40.29, 284.70°)
OKLab	oklab(43.74% -0.0143 -0.1113)
OKLCH	oklch(43.74% 0.112 262.7)
XYZ	xyz(8.9245, 8.1786, 27.0896)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4F8F #8F6F2F

analogous

#2F7F8F #2F4F8F #3F2F8F

triadic

#2F4F8F #8F2F4F #4F8F2F

tetradic

#2F4F8F #8F2F7F #8F6F2F #2F8F3F

square

#2F4F8F #8F2F7F #8F6F2F #2F8F3F

split-complementary

#2F4F8F #8F3F2F #7F8F2F

monochromatic

#111C33 #203661 #2F4F8F #3E68BD #6A8CCE

Accessibility & contrast

On white

7.97

#2F4F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2F4F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4F8F

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4F8F	#FFFFFF	#000000	##FFFFFF
##2F4F8F	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315691

Deuteranopia (green-blind)

#214D8E

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f4f8f;
/* rgb */ color: rgb(47, 79, 143);
/* oklch */ color: oklch(43.7% 0.112 262.7);

Tailwind

colors: {
  custom: {
    50: '#727fb0',
    500: '#2f4f8f',
    950: '#000000',
  },
}

SCSS

$custom: #2f4f8f;
$custom-light: #727fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4f8f",
  "rgb": {
    "r": 47,
    "g": 79,
    "b": 143
  },
  "hsl": {
    "h": 220,
    "s": 50.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43743,
    "c": 0.1122,
    "h": 262.7
  },
  "luminance": 0.08179
}

Semantic roles & 50–950 ramp

primary

#2F4F8F

secondary

#B59A65

accent

#AB4EDA

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #2F4F8F

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

Preview Lab → · Contrast checker → · Palette generator →