#2F39A9#2F39A9

#2F39A9 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.177 H 272.0°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#2F39A9
RGB	rgb(47, 57, 169)
HSL	hsl(235, 56%, 42%)
HSV	hsv(235, 72%, 66%)
CMYK	cmyk(72.2%, 66.3%, 0%, 33.7%)
CIE-LAB	lab(30.39, 34.47, -61.14)
CIE-LCH	lch(30.39, 70.19, 299.42°)
OKLab	oklab(41.39% 0.0061 -0.1767)
OKLCH	oklch(41.39% 0.177 272)
XYZ	xyz(9.7944, 6.3942, 38.2464)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.46

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F39A9 #A99F2F

analogous

#2F76A9 #2F39A9 #622FA9

triadic

#2F39A9 #A92F39 #39A92F

tetradic

#2F39A9 #A92F76 #A99F2F #2FA962

square

#2F39A9 #A92F76 #A99F2F #2FA962

split-complementary

#2F39A9 #A9622F #76A92F

monochromatic

#141949 #222979 #2F39A9 #4954CC #7981DA

Accessibility & contrast

On white

9.21

#2F39A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2F39A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39A9

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39A9	#FFFFFF	#000000	##FFFFFF
##2F39A9	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f39a9;
/* rgb */ color: rgb(47, 57, 169);
/* oklch */ color: oklch(41.4% 0.177 272.0);

Tailwind

colors: {
  custom: {
    50: '#796fc4',
    500: '#2f39a9',
    950: '#000000',
  },
}

SCSS

$custom: #2f39a9;
$custom-light: #796fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39a9",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 169
  },
  "hsl": {
    "h": 235.082,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41385,
    "c": 0.1768,
    "h": 272
  },
  "luminance": 0.06395
}

Semantic roles & 50–950 ramp

primary

#2F39A9

secondary

#C2BB72

accent

#D348E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F39A9

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

Preview Lab → · Contrast checker → · Palette generator →