#2F2F9B#2F2F9B

#2F2F9B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.170 H 274.8°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#2F2F9B
RGB	rgb(47, 47, 155)
HSL	hsl(240, 53%, 40%)
HSV	hsv(240, 70%, 61%)
CMYK	cmyk(69.7%, 69.7%, 0%, 39.2%)
CIE-LAB	lab(26.74, 35.82, -58.64)
CIE-LCH	lch(26.74, 68.71, 301.42°)
OKLab	oklab(38.34% 0.0144 -0.1694)
OKLCH	oklch(38.34% 0.17 274.8)
XYZ	xyz(8.1032, 5.0032, 31.5427)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2F9B #9B9B2F

analogous

#2F659B #2F2F9B #652F9B

triadic

#2F2F9B #9B2F2F #2F9B2F

tetradic

#2F2F9B #9B2F65 #9B9B2F #2F9B65

square

#2F2F9B #9B2F65 #9B9B2F #2F9B65

split-complementary

#2F2F9B #9B652F #659B2F

monochromatic

#13133D #21216C #2F2F9B #4242C6 #7171D4

Accessibility & contrast

On white

10.50

#2F2F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F2F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2F9B

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2F9B	#FFFFFF	#000000	##FFFFFF
##2F2F9B	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003A99

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f2f9b;
/* rgb */ color: rgb(47, 47, 155);
/* oklch */ color: oklch(38.3% 0.170 274.8);

Tailwind

colors: {
  custom: {
    50: '#7768ba',
    500: '#2f2f9b',
    950: '#000000',
  },
}

SCSS

$custom: #2f2f9b;
$custom-light: #7768ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2f9b",
  "rgb": {
    "r": 47,
    "g": 47,
    "b": 155
  },
  "hsl": {
    "h": 240,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38343,
    "c": 0.17002,
    "h": 274.8
  },
  "luminance": 0.05004
}

Semantic roles & 50–950 ramp

primary

#2F2F9B

secondary

#BBBB6A

accent

#DD4BDD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F2F9B

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

Preview Lab → · Contrast checker → · Palette generator →