#2F3A9D#2F3A9D

#2F3A9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.159 H 272.2°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F3A9D
RGB	rgb(47, 58, 157)
HSL	hsl(234, 54%, 40%)
HSV	hsv(234, 70%, 62%)
CMYK	cmyk(70.1%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(29.57, 29.50, -55.22)
CIE-LCH	lch(29.57, 62.61, 298.11°)
OKLab	oklab(40.46% 0.0061 -0.1593)
OKLCH	oklch(40.46% 0.159 272.2)
XYZ	xyz(8.7691, 6.0639, 32.6001)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3A9D #9D922F

analogous

#2F719D #2F3A9D #5B2F9D

triadic

#2F3A9D #9D2F3A #3A9D2F

tetradic

#2F3A9D #9D2F71 #9D922F #2F9D5B

square

#2F3A9D #9D2F71 #9D922F #2F9D5B

split-complementary

#2F3A9D #9D5B2F #719D2F

monochromatic

#13173F #21296E #2F3A9D #4350C7 #727CD5

Accessibility & contrast

On white

9.49

#2F3A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3A9D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3A9D	#FFFFFF	#000000	##FFFFFF
##2F3A9D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3a9d;
/* rgb */ color: rgb(47, 58, 157);
/* oklch */ color: oklch(40.5% 0.159 272.2);

Tailwind

colors: {
  custom: {
    50: '#7670bb',
    500: '#2f3a9d',
    950: '#000000',
  },
}

SCSS

$custom: #2f3a9d;
$custom-light: #7670bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3a9d",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 234,
    "s": 53.922,
    "l": 40
  },
  "oklch": {
    "l": 0.40462,
    "c": 0.15947,
    "h": 272.2
  },
  "luminance": 0.06065
}

Semantic roles & 50–950 ramp

primary

#2F3A9D

secondary

#BCB46B

accent

#CF4BDD

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F3A9D

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

Preview Lab → · Contrast checker → · Palette generator →