#2A2F78#2A2F78

#2A2F78 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.123 H 275.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A2F78
RGB	rgb(42, 47, 120)
HSL	hsl(236, 48%, 32%)
HSV	hsv(236, 65%, 47%)
CMYK	cmyk(65%, 60.8%, 0%, 52.9%)
CIE-LAB	lab(23.27, 22.46, -42.52)
CIE-LCH	lch(23.27, 48.09, 297.84°)
OKLab	oklab(34.75% 0.0108 -0.1223)
OKLCH	oklch(34.75% 0.123 275)
XYZ	xyz(5.3604, 3.8809, 18.2323)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A2F78 #78732A

analogous

#2A5678 #2A2F78 #4C2A78

triadic

#2A2F78 #782A2F #2F782A

tetradic

#2A2F78 #782A56 #78732A #2A784C

square

#2A2F78 #782A56 #78732A #2A784C

split-complementary

#2A2F78 #784C2A #56782A

monochromatic

#0A0B1D #1A1D4B #2A2F78 #3A41A5 #585FC5

Accessibility & contrast

On white

11.82

#2A2F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2A2F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A2F78

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A2F78	#FFFFFF	#000000	##FFFFFF
##2A2F78	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7A

Deuteranopia (green-blind)

#003477

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a2f78;
/* rgb */ color: rgb(42, 47, 120);
/* oklch */ color: oklch(34.8% 0.123 275.0);

Tailwind

colors: {
  custom: {
    50: '#6d67a0',
    500: '#2a2f78',
    950: '#000000',
  },
}

SCSS

$custom: #2a2f78;
$custom-light: #6d67a0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a2f78",
  "rgb": {
    "r": 42,
    "g": 47,
    "b": 120
  },
  "hsl": {
    "h": 236.154,
    "s": 48.148,
    "l": 31.765
  },
  "oklch": {
    "l": 0.3475,
    "c": 0.12276,
    "h": 275
  },
  "luminance": 0.03881
}

Semantic roles & 50–950 ramp

primary

#2A2F78

secondary

#AAA454

accent

#CF50D8

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #2A2F78

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

Preview Lab → · Contrast checker → · Palette generator →