#2F3F98#2F3F98

#2F3F98 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.0% C 0.146 H 270.8°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F98
RGB	rgb(47, 63, 152)
HSL	hsl(231, 53%, 39%)
HSV	hsv(231, 69%, 60%)
CMYK	cmyk(69.1%, 58.6%, 0%, 40.4%)
CIE-LAB	lab(30.46, 24.34, -50.73)
CIE-LCH	lch(30.46, 56.27, 295.63°)
OKLab	oklab(40.99% 0.0021 -0.1461)
OKLCH	oklch(40.99% 0.146 270.8)
XYZ	xyz(8.6154, 6.4255, 30.4859)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F98 #98882F

analogous

#2F7498 #2F3F98 #542F98

triadic

#2F3F98 #982F3F #3F982F

tetradic

#2F3F98 #982F74 #98882F #2F9854

square

#2F3F98 #982F74 #98882F #2F9854

split-complementary

#2F3F98 #98542F #74982F

monochromatic

#12183B #212C69 #2F3F98 #4054C4 #6F7ED2

Accessibility & contrast

On white

9.19

#2F3F98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2F3F98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F98

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F98	#FFFFFF	#000000	##FFFFFF
##2F3F98	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9B

Deuteranopia (green-blind)

#004396

Tritanopia (blue-blind)

#005565

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3f98;
/* rgb */ color: rgb(47, 63, 152);
/* oklch */ color: oklch(41.0% 0.146 270.8);

Tailwind

colors: {
  custom: {
    50: '#7573b7',
    500: '#2f3f98',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f98;
$custom-light: #7573b7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f98",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 152
  },
  "hsl": {
    "h": 230.857,
    "s": 52.764,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40993,
    "c": 0.14612,
    "h": 270.8
  },
  "luminance": 0.06426
}

Semantic roles & 50–950 ramp

primary

#2F3F98

secondary

#BAAE69

accent

#C64CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3F98

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

Preview Lab → · Contrast checker → · Palette generator →