#2F3798#2F3798

#2F3798 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.156 H 273.2°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F3798
RGB	rgb(47, 55, 152)
HSL	hsl(235, 53%, 39%)
HSV	hsv(235, 69%, 60%)
CMYK	cmyk(69.1%, 63.8%, 0%, 40.4%)
CIE-LAB	lab(28.39, 29.64, -54.11)
CIE-LCH	lch(28.39, 61.70, 298.71°)
OKLab	oklab(39.46% 0.0087 -0.1561)
OKLCH	oklch(39.46% 0.156 273.2)
XYZ	xyz(8.2041, 5.6030, 30.3488)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3798 #98902F

analogous

#2F6C98 #2F3798 #5C2F98

triadic

#2F3798 #982F37 #37982F

tetradic

#2F3798 #982F6C #98902F #2F985C

square

#2F3798 #982F6C #98902F #2F985C

split-complementary

#2F3798 #985C2F #6C982F

monochromatic

#12153B #212669 #2F3798 #404AC4 #6F77D2

Accessibility & contrast

On white

9.90

#2F3798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2F3798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3798

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3798	#FFFFFF	#000000	##FFFFFF
##2F3798	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489B

Deuteranopia (green-blind)

#003E96

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3798;
/* rgb */ color: rgb(47, 55, 152);
/* oklch */ color: oklch(39.5% 0.156 273.2);

Tailwind

colors: {
  custom: {
    50: '#766eb7',
    500: '#2f3798',
    950: '#000000',
  },
}

SCSS

$custom: #2f3798;
$custom-light: #766eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3798",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 152
  },
  "hsl": {
    "h": 235.429,
    "s": 52.764,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39457,
    "c": 0.15636,
    "h": 273.2
  },
  "luminance": 0.05604
}

Semantic roles & 50–950 ramp

primary

#2F3798

secondary

#BAB469

accent

#D14CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3798

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

Preview Lab → · Contrast checker → · Palette generator →