#2F3797#2F3797

#2F3797 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.155 H 273.2°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F3797
RGB	rgb(47, 55, 151)
HSL	hsl(235, 53%, 39%)
HSV	hsv(235, 69%, 59%)
CMYK	cmyk(68.9%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(28.30, 29.28, -53.64)
CIE-LCH	lch(28.30, 61.11, 298.63°)
OKLab	oklab(39.37% 0.0088 -0.1547)
OKLCH	oklch(39.37% 0.155 273.2)
XYZ	xyz(8.1225, 5.5703, 29.9193)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3797 #978F2F

analogous

#2F6B97 #2F3797 #5B2F97

triadic

#2F3797 #972F37 #37972F

tetradic

#2F3797 #972F6B #978F2F #2F975B

square

#2F3797 #972F6B #978F2F #2F975B

split-complementary

#2F3797 #975B2F #6B972F

monochromatic

#12153A #202668 #2F3797 #404AC3 #6E76D2

Accessibility & contrast

On white

9.93

#2F3797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2F3797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3797

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3797	#FFFFFF	#000000	##FFFFFF
##2F3797	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f3797;
/* rgb */ color: rgb(47, 55, 151);
/* oklch */ color: oklch(39.4% 0.155 273.2);

Tailwind

colors: {
  custom: {
    50: '#756eb6',
    500: '#2f3797',
    950: '#000000',
  },
}

SCSS

$custom: #2f3797;
$custom-light: #756eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3797",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 235.385,
    "s": 52.525,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39366,
    "c": 0.15499,
    "h": 273.2
  },
  "luminance": 0.05571
}

Semantic roles & 50–950 ramp

primary

#2F3797

secondary

#B9B368

accent

#D14CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3797

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

Preview Lab → · Contrast checker → · Palette generator →