#2F2A9B#2F2A9B

#2F2A9B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.176 H 275.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F2A9B
RGB	rgb(47, 42, 155)
HSL	hsl(243, 57%, 39%)
HSV	hsv(243, 73%, 61%)
CMYK	cmyk(69.7%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(25.64, 38.85, -60.45)
CIE-LCH	lch(25.64, 71.86, 302.73°)
OKLab	oklab(37.55% 0.0176 -0.1747)
OKLCH	oklch(37.55% 0.176 275.8)
XYZ	xyz(7.9147, 4.6261, 31.4798)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2A9B #969B2A

analogous

#2A5D9B #2F2A9B #672A9B

triadic

#2F2A9B #9B2F2A #2A9B2F

tetradic

#2F2A9B #9B2A5D #969B2A #2A9B67

square

#2F2A9B #9B2A5D #969B2A #2A9B67

split-complementary

#2F2A9B #9B672A #5D9B2A

monochromatic

#12103B #201D6B #2F2A9B #3F39C9 #6E69D6

Accessibility & contrast

On white

10.91

#2F2A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2F2A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2A9B

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2A9B	#FFFFFF	#000000	##FFFFFF
##2F2A9B	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	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: #2f2a9b;
/* rgb */ color: rgb(47, 42, 155);
/* oklch */ color: oklch(37.6% 0.176 275.8);

Tailwind

colors: {
  custom: {
    50: '#7765ba',
    500: '#2f2a9b',
    950: '#000000',
  },
}

SCSS

$custom: #2f2a9b;
$custom-light: #7765ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2a9b",
  "rgb": {
    "r": 47,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 242.655,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37553,
    "c": 0.17558,
    "h": 275.8
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary

#2F2A9B

secondary

#B9BD64

accent

#E147DA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2F2A9B

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

Preview Lab → · Contrast checker → · Palette generator →