#2F2B9B#2F2B9B

#2F2B9B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.174 H 275.6°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F2B9B
RGB	rgb(47, 43, 155)
HSL	hsl(242, 57%, 39%)
HSV	hsv(242, 72%, 61%)
CMYK	cmyk(69.7%, 72.3%, 0%, 39.2%)
CIE-LAB	lab(25.86, 38.26, -60.10)
CIE-LCH	lch(25.86, 71.24, 302.48°)
OKLab	oklab(37.71% 0.017 -0.1737)
OKLCH	oklch(37.71% 0.175 275.6)
XYZ	xyz(7.9506, 4.6979, 31.4918)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2B9B #979B2B

analogous

#2B5F9B #2F2B9B #672B9B

triadic

#2F2B9B #9B2F2B #2B9B2F

tetradic

#2F2B9B #9B2B5F #979B2B #2B9B67

square

#2F2B9B #9B2B5F #979B2B #2B9B67

split-complementary

#2F2B9B #9B672B #5F9B2B

monochromatic

#12103B #201E6B #2F2B9B #403BC9 #6E6BD6

Accessibility & contrast

On white

10.83

#2F2B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2F2B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2B9B

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2B9B	#FFFFFF	#000000	##FFFFFF
##2F2B9B	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f2b9b;
/* rgb */ color: rgb(47, 43, 155);
/* oklch */ color: oklch(37.7% 0.174 275.6);

Tailwind

colors: {
  custom: {
    50: '#7765ba',
    500: '#2f2b9b',
    950: '#000000',
  },
}

SCSS

$custom: #2f2b9b;
$custom-light: #7765ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2b9b",
  "rgb": {
    "r": 47,
    "g": 43,
    "b": 155
  },
  "hsl": {
    "h": 242.143,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37706,
    "c": 0.1745,
    "h": 275.6
  },
  "luminance": 0.04699
}

Semantic roles & 50–950 ramp

primary

#2F2B9B

secondary

#B9BC65

accent

#E048DA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F2B9B

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

Preview Lab → · Contrast checker → · Palette generator →