#2F39B4#2F39B4

#2F39B4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.4% C 0.191 H 271.5°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#2F39B4
RGB	rgb(47, 57, 180)
HSL	hsl(235, 59%, 45%)
HSV	hsv(235, 74%, 71%)
CMYK	cmyk(73.9%, 68.3%, 0%, 29.4%)
CIE-LAB	lab(31.40, 38.37, -66.04)
CIE-LCH	lch(31.40, 76.38, 300.16°)
OKLab	oklab(42.44% 0.0051 -0.191)
OKLCH	oklch(42.44% 0.191 271.5)
XYZ	xyz(10.8708, 6.8248, 43.9156)
Luminance	0.0683 (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

#2F39B4 #B4AA2F

analogous

#2F7BB4 #2F39B4 #682FB4

triadic

#2F39B4 #B42F39 #39B42F

tetradic

#2F39B4 #B42F7B #B4AA2F #2FB468

square

#2F39B4 #B42F7B #B4AA2F #2FB468

split-complementary

#2F39B4 #B4682F #7BB42F

monochromatic

#161A53 #222A83 #2F39B4 #4F59D1 #8087DE

Accessibility & contrast

On white

8.88

#2F39B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#2F39B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F39B4

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F39B4	#FFFFFF	#000000	##FFFFFF
##2F39B4	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B8

Deuteranopia (green-blind)

#0044B2

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f39b4;
/* rgb */ color: rgb(47, 57, 180);
/* oklch */ color: oklch(42.4% 0.191 271.5);

Tailwind

colors: {
  custom: {
    50: '#7c70cc',
    500: '#2f39b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f39b4;
$custom-light: #7c70cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f39b4",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 180
  },
  "hsl": {
    "h": 235.489,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42436,
    "c": 0.19109,
    "h": 271.5
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#2F39B4

secondary

#C7C178

accent

#D646E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2F39B4

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

Preview Lab → · Contrast checker → · Palette generator →