#2F39B3#2F39B3

#2F39B3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.190 H 271.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F39B3
RGB	rgb(47, 57, 179)
HSL	hsl(235, 58%, 44%)
HSV	hsv(235, 74%, 70%)
CMYK	cmyk(73.7%, 68.2%, 0%, 29.8%)
CIE-LAB	lab(31.31, 38.02, -65.60)
CIE-LCH	lch(31.31, 75.82, 300.10°)
OKLab	oklab(42.34% 0.0052 -0.1897)
OKLCH	oklch(42.34% 0.19 271.6)
XYZ	xyz(10.7693, 6.7842, 43.3810)
Luminance	0.0678 (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

#2F39B3 #B3A92F

analogous

#2F7BB3 #2F39B3 #672FB3

triadic

#2F39B3 #B32F39 #39B32F

tetradic

#2F39B3 #B32F7B #B3A92F #2FB367

square

#2F39B3 #B32F7B #B3A92F #2FB367

split-complementary

#2F39B3 #B3672F #7BB32F

monochromatic

#161A52 #222A83 #2F39B3 #4F58D1 #7F86DD

Accessibility & contrast

On white

8.91

#2F39B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2F39B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39B3

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39B3	#FFFFFF	#000000	##FFFFFF
##2F39B3	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#005A71

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f39b3;
/* rgb */ color: rgb(47, 57, 179);
/* oklch */ color: oklch(42.3% 0.190 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c70cb',
    500: '#2f39b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f39b3;
$custom-light: #7c70cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39b3",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 179
  },
  "hsl": {
    "h": 235.455,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.42339,
    "c": 0.1898,
    "h": 271.6
  },
  "luminance": 0.06785
}

Semantic roles & 50–950 ramp

primary

#2F39B3

secondary

#C6C078

accent

#D646E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F39B3

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

Preview Lab → · Contrast checker → · Palette generator →