#2F39B7#2F39B7

#2F39B7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.195 H 271.4°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F39B7
RGB	rgb(47, 57, 183)
HSL	hsl(236, 59%, 45%)
HSV	hsv(236, 74%, 72%)
CMYK	cmyk(74.3%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(31.69, 39.43, -67.35)
CIE-LCH	lch(31.69, 78.04, 300.35°)
OKLab	oklab(42.73% 0.0048 -0.1948)
OKLCH	oklch(42.73% 0.195 271.4)
XYZ	xyz(11.1798, 6.9483, 45.5425)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F39B7 #B7AD2F

analogous

#2F7DB7 #2F39B7 #692FB7

triadic

#2F39B7 #B72F39 #39B72F

tetradic

#2F39B7 #B72F7D #B7AD2F #2FB769

square

#2F39B7 #B72F7D #B7AD2F #2FB769

split-complementary

#2F39B7 #B7692F #7DB72F

monochromatic

#161B56 #222A86 #2F39B7 #515AD2 #8288DF

Accessibility & contrast

On white

8.79

#2F39B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F39B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39B7

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39B7	#FFFFFF	#000000	##FFFFFF
##2F39B7	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f39b7;
/* rgb */ color: rgb(47, 57, 183);
/* oklch */ color: oklch(42.7% 0.195 271.4);

Tailwind

colors: {
  custom: {
    50: '#7d70ce',
    500: '#2f39b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f39b7;
$custom-light: #7d70ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39b7",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 235.588,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42728,
    "c": 0.19491,
    "h": 271.4
  },
  "luminance": 0.06949
}

Semantic roles & 50–950 ramp

primary

#2F39B7

secondary

#C8C27A

accent

#D745E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2F39B7

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

Preview Lab → · Contrast checker → · Palette generator →