#2F4C81#2F4C81

#2F4C81 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.1% C 0.095 H 261.5°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2F4C81
RGB	rgb(47, 76, 129)
HSL	hsl(219, 47%, 35%)
HSV	hsv(219, 64%, 51%)
CMYK	cmyk(63.6%, 41.1%, 0%, 49.4%)
CIE-LAB	lab(32.61, 7.00, -33.16)
CIE-LCH	lch(32.61, 33.89, 281.92°)
OKLab	oklab(42.12% -0.014 -0.0943)
OKLCH	oklch(42.12% 0.095 261.5)
XYZ	xyz(7.7178, 7.3575, 21.7780)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4C81 #81642F

analogous

#2F7581 #2F4C81 #3B2F81

triadic

#2F4C81 #812F4C #4C812F

tetradic

#2F4C81 #812F75 #81642F #2F813B

square

#2F4C81 #812F75 #81642F #2F813B

split-complementary

#2F4C81 #813B2F #75812F

monochromatic

#0E1727 #1F3254 #2F4C81 #3F66AE #6487C6

Accessibility & contrast

On white

8.50

#2F4C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F4C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4C81

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4C81	#FFFFFF	#000000	##FFFFFF
##2F4C81	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355183

Deuteranopia (green-blind)

#294980

Tritanopia (blue-blind)

#005860

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f4c81;
/* rgb */ color: rgb(47, 76, 129);
/* oklch */ color: oklch(42.1% 0.095 261.5);

Tailwind

colors: {
  custom: {
    50: '#707da6',
    500: '#2f4c81',
    950: '#000000',
  },
}

SCSS

$custom: #2f4c81;
$custom-light: #707da6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4c81",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 129
  },
  "hsl": {
    "h": 218.78,
    "s": 46.591,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42121,
    "c": 0.0953,
    "h": 261.5
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#2F4C81

secondary

#AD915E

accent

#A752D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2F4C81

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

Preview Lab → · Contrast checker → · Palette generator →