#2F4B8A#2F4B8A

#2F4B8A is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.5% C 0.110 H 264.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2F4B8A
RGB	rgb(47, 75, 138)
HSL	hsl(222, 49%, 36%)
HSV	hsv(222, 66%, 54%)
CMYK	cmyk(65.9%, 45.7%, 0%, 45.9%)
CIE-LAB	lab(32.86, 11.01, -38.31)
CIE-LCH	lch(32.86, 39.86, 286.04°)
OKLab	oklab(42.49% -0.0111 -0.1094)
OKLCH	oklch(42.49% 0.11 264.2)
XYZ	xyz(8.2742, 7.4707, 25.0458)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4B8A #8A6E2F

analogous

#2F798A #2F4B8A #412F8A

triadic

#2F4B8A #8A2F4B #4B8A2F

tetradic

#2F4B8A #8A2F79 #8A6E2F #2F8A41

square

#2F4B8A #8A2F79 #8A6E2F #2F8A41

split-complementary

#2F4B8A #8A412F #798A2F

monochromatic

#10192F #1F325C #2F4B8A #3F64B8 #6887CC

Accessibility & contrast

On white

8.42

#2F4B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2F4B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4B8A

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4B8A	#FFFFFF	#000000	##FFFFFF
##2F4B8A	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528C

Deuteranopia (green-blind)

#1E4989

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f4b8a;
/* rgb */ color: rgb(47, 75, 138);
/* oklch */ color: oklch(42.5% 0.110 264.2);

Tailwind

colors: {
  custom: {
    50: '#717cac',
    500: '#2f4b8a',
    950: '#000000',
  },
}

SCSS

$custom: #2f4b8a;
$custom-light: #717cac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4b8a",
  "rgb": {
    "r": 47,
    "g": 75,
    "b": 138
  },
  "hsl": {
    "h": 221.538,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4249,
    "c": 0.10995,
    "h": 264.2
  },
  "luminance": 0.07471
}

Semantic roles & 50–950 ramp

primary

#2F4B8A

secondary

#B39A62

accent

#AE4FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2F4B8A

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

Preview Lab → · Contrast checker → · Palette generator →