#2F59A5#2F59A5

#2F59A5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.5% C 0.131 H 261.2°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F59A5
RGB	rgb(47, 89, 165)
HSL	hsl(219, 56%, 42%)
HSV	hsv(219, 72%, 65%)
CMYK	cmyk(71.5%, 46.1%, 0%, 35.3%)
CIE-LAB	lab(38.66, 11.92, -45.32)
CIE-LCH	lch(38.66, 46.86, 284.74°)
OKLab	oklab(47.51% -0.0202 -0.1298)
OKLCH	oklch(47.51% 0.131 261.2)
XYZ	xyz(11.5338, 10.4645, 37.0020)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F59A5 #A57B2F

analogous

#2F94A5 #2F59A5 #402FA5

triadic

#2F59A5 #A52F59 #59A52F

tetradic

#2F59A5 #A52F94 #A57B2F #2FA540

square

#2F59A5 #A52F94 #A57B2F #2FA540

split-complementary

#2F59A5 #A5402F #94A52F

monochromatic

#142646 #213F75 #2F59A5 #4776CB #7699D8

Accessibility & contrast

On white

6.79

#2F59A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2F59A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F59A5

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F59A5	#FFFFFF	#000000	##FFFFFF
##2F59A5	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3261A8

Deuteranopia (green-blind)

#1B56A3

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f59a5;
/* rgb */ color: rgb(47, 89, 165);
/* oklch */ color: oklch(47.5% 0.131 261.2);

Tailwind

colors: {
  custom: {
    50: '#7687c0',
    500: '#2f59a5',
    950: '#000000',
  },
}

SCSS

$custom: #2f59a5;
$custom-light: #7687c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f59a5",
  "rgb": {
    "r": 47,
    "g": 89,
    "b": 165
  },
  "hsl": {
    "h": 218.644,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.47508,
    "c": 0.13133,
    "h": 261.2
  },
  "luminance": 0.10466
}

Semantic roles & 50–950 ramp

primary

#2F59A5

secondary

#C0A370

accent

#AA49DF

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #2F59A5

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

Preview Lab → · Contrast checker → · Palette generator →