#2A2F9B#2A2F9B

#2A2F9B is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.171 H 272.8°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F9B
RGB	rgb(42, 47, 155)
HSL	hsl(237, 57%, 39%)
HSV	hsv(237, 73%, 61%)
CMYK	cmyk(72.9%, 69.7%, 0%, 39.2%)
CIE-LAB	lab(26.42, 35.22, -59.18)
CIE-LCH	lch(26.42, 68.87, 300.76°)
OKLab	oklab(38.03% 0.0084 -0.1711)
OKLCH	oklch(38.03% 0.171 272.8)
XYZ	xyz(7.8858, 4.8910, 31.5325)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F9B #9B962A

analogous

#2A679B #2A2F9B #5D2A9B

triadic

#2A2F9B #9B2A2F #2F9B2A

tetradic

#2A2F9B #9B2A67 #9B962A #2A9B5D

square

#2A2F9B #9B2A67 #9B962A #2A9B5D

split-complementary

#2A2F9B #9B5D2A #679B2A

monochromatic

#10123B #1D206B #2A2F9B #393FC9 #696ED6

Accessibility & contrast

On white

10.61

#2A2F9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A2F9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F9B

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F9B	#FFFFFF	#000000	##FFFFFF
##2A2F9B	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00449E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a2f9b;
/* rgb */ color: rgb(42, 47, 155);
/* oklch */ color: oklch(38.0% 0.171 272.8);

Tailwind

colors: {
  custom: {
    50: '#7568ba',
    500: '#2a2f9b',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f9b;
$custom-light: #7568ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f9b",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 155
  },
  "hsl": {
    "h": 237.345,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38026,
    "c": 0.17131,
    "h": 272.8
  },
  "luminance": 0.04892
}

Semantic roles & 50–950 ramp

primary

#2A2F9B

secondary

#BDB964

accent

#DA47E1

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2A2F9B

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

Preview Lab → · Contrast checker → · Palette generator →