#2F39B2#2F39B2

#2F39B2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.2% C 0.189 H 271.6°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F39B2
RGB	rgb(47, 57, 178)
HSL	hsl(235, 58%, 44%)
HSV	hsv(235, 74%, 70%)
CMYK	cmyk(73.6%, 68%, 0%, 30.2%)
CIE-LAB	lab(31.22, 37.67, -65.16)
CIE-LCH	lch(31.22, 75.26, 300.04°)
OKLab	oklab(42.24% 0.0053 -0.1884)
OKLCH	oklch(42.24% 0.189 271.6)
XYZ	xyz(10.6686, 6.7438, 42.8503)
Luminance	0.0674 (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

#2F39B2 #B2A82F

analogous

#2F7BB2 #2F39B2 #672FB2

triadic

#2F39B2 #B22F39 #39B22F

tetradic

#2F39B2 #B22F7B #B2A82F #2FB267

square

#2F39B2 #B22F7B #B2A82F #2FB267

split-complementary

#2F39B2 #B2672F #7BB22F

monochromatic

#151A51 #222982 #2F39B2 #4E58D0 #7E86DD

Accessibility & contrast

On white

8.94

#2F39B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2F39B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39B2

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39B2	#FFFFFF	#000000	##FFFFFF
##2F39B2	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0043B0

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f39b2;
/* rgb */ color: rgb(47, 57, 178);
/* oklch */ color: oklch(42.2% 0.189 271.6);

Tailwind

colors: {
  custom: {
    50: '#7b70ca',
    500: '#2f39b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f39b2;
$custom-light: #7b70ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39b2",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 235.42,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42243,
    "c": 0.18852,
    "h": 271.6
  },
  "luminance": 0.06745
}

Semantic roles & 50–950 ramp

primary

#2F39B2

secondary

#C6C077

accent

#D646E1

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F39B2

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

Preview Lab → · Contrast checker → · Palette generator →