#2F508A#2F508A

#2F508A is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.6% C 0.104 H 260.9°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#2F508A
RGB	rgb(47, 80, 138)
HSL	hsl(218, 49%, 36%)
HSV	hsv(218, 66%, 54%)
CMYK	cmyk(65.9%, 42%, 0%, 45.9%)
CIE-LAB	lab(34.35, 7.69, -35.93)
CIE-LCH	lch(34.35, 36.74, 282.08°)
OKLab	oklab(43.64% -0.0164 -0.1023)
OKLCH	oklch(43.64% 0.104 260.9)
XYZ	xyz(8.6268, 8.1758, 25.1633)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F508A #8A692F

analogous

#2F7E8A #2F508A #3C2F8A

triadic

#2F508A #8A2F50 #508A2F

tetradic

#2F508A #8A2F7E #8A692F #2F8A3C

square

#2F508A #8A2F7E #8A692F #2F8A3C

split-complementary

#2F508A #8A3C2F #7E8A2F

monochromatic

#101B2F #1F365C #2F508A #3F6AB8 #688CCC

Accessibility & contrast

On white

7.97

#2F508A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2F508A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F508A

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F508A	#FFFFFF	#000000	##FFFFFF
##2F508A	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)

#36558C

Deuteranopia (green-blind)

#284D89

Tritanopia (blue-blind)

#005D66

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2f508a;
/* rgb */ color: rgb(47, 80, 138);
/* oklch */ color: oklch(43.6% 0.104 260.9);

Tailwind

colors: {
  custom: {
    50: '#7180ac',
    500: '#2f508a',
    950: '#000000',
  },
}

SCSS

$custom: #2f508a;
$custom-light: #7180ac;
$custom-dark: #000000;

JSON

{
  "hex": "#2f508a",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 138
  },
  "hsl": {
    "h": 218.242,
    "s": 49.189,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4364,
    "c": 0.10364,
    "h": 260.9
  },
  "luminance": 0.08177
}

Semantic roles & 50–950 ramp

primary

#2F508A

secondary

#B39562

accent

#A74FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F508A

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

Preview Lab → · Contrast checker → · Palette generator →