#2F3598#2F3598

#2F3598 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.159 H 273.7°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F3598
RGB	rgb(47, 53, 152)
HSL	hsl(237, 53%, 39%)
HSV	hsv(237, 69%, 60%)
CMYK	cmyk(69.1%, 65.1%, 0%, 40.4%)
CIE-LAB	lab(27.89, 30.95, -54.93)
CIE-LCH	lch(27.89, 63.04, 299.40°)
OKLab	oklab(39.09% 0.0103 -0.1585)
OKLCH	oklch(39.09% 0.159 273.7)
XYZ	xyz(8.1110, 5.4168, 30.3178)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3598 #98922F

analogous

#2F6A98 #2F3598 #5E2F98

triadic

#2F3598 #982F35 #35982F

tetradic

#2F3598 #982F6A #98922F #2F985E

square

#2F3598 #982F6A #98922F #2F985E

split-complementary

#2F3598 #985E2F #6A982F

monochromatic

#12143B #212569 #2F3598 #4048C4 #6F75D2

Accessibility & contrast

On white

10.08

#2F3598 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2F3598 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3598

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3598	#FFFFFF	#000000	##FFFFFF
##2F3598	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f3598;
/* rgb */ color: rgb(47, 53, 152);
/* oklch */ color: oklch(39.1% 0.159 273.7);

Tailwind

colors: {
  custom: {
    50: '#766cb7',
    500: '#2f3598',
    950: '#000000',
  },
}

SCSS

$custom: #2f3598;
$custom-light: #766cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3598",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 152
  },
  "hsl": {
    "h": 236.571,
    "s": 52.764,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39092,
    "c": 0.15884,
    "h": 273.7
  },
  "luminance": 0.05418
}

Semantic roles & 50–950 ramp

primary

#2F3598

secondary

#BAB569

accent

#D44CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F3598

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

Preview Lab → · Contrast checker → · Palette generator →