#2F4C8A#2F4C8A

#2F4C8A is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.109 H 263.6°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2F4C8A
RGB	rgb(47, 76, 138)
HSL	hsl(221, 49%, 36%)
HSV	hsv(221, 66%, 54%)
CMYK	cmyk(65.9%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(33.15, 10.35, -37.84)
CIE-LCH	lch(33.15, 39.23, 285.29°)
OKLab	oklab(42.72% -0.0121 -0.108)
OKLCH	oklch(42.72% 0.109 263.6)
XYZ	xyz(8.3426, 7.6074, 25.0686)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F4C8A #8A6D2F

analogous

#2F7A8A #2F4C8A #402F8A

triadic

#2F4C8A #8A2F4C #4C8A2F

tetradic

#2F4C8A #8A2F7A #8A6D2F #2F8A40

square

#2F4C8A #8A2F7A #8A6D2F #2F8A40

split-complementary

#2F4C8A #8A402F #7A8A2F

monochromatic

#101A2F #1F335C #2F4C8A #3F65B8 #6888CC

Accessibility & contrast

On white

8.33

#2F4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2F4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F4C8A

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F4C8A	#FFFFFF	#000000	##FFFFFF
##2F4C8A	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F528C

Deuteranopia (green-blind)

#204A89

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2f4c8a;
/* rgb */ color: rgb(47, 76, 138);
/* oklch */ color: oklch(42.7% 0.109 263.6);

Tailwind

colors: {
  custom: {
    50: '#717dac',
    500: '#2f4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #2f4c8a;
$custom-light: #717dac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f4c8a",
  "rgb": {
    "r": 47,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 220.879,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42718,
    "c": 0.10866,
    "h": 263.6
  },
  "luminance": 0.07608
}

Semantic roles & 50–950 ramp

primary

#2F4C8A

secondary

#B39962

accent

#AD4FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2F4C8A

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

Preview Lab → · Contrast checker → · Palette generator →