#2A278F#2A278F

#2A278F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.5% C 0.165 H 275.3°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A278F
RGB	rgb(42, 39, 143)
HSL	hsl(242, 57%, 36%)
HSV	hsv(242, 73%, 56%)
CMYK	cmyk(70.6%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(23.42, 35.96, -56.72)
CIE-LCH	lch(23.42, 67.16, 302.37°)
OKLab	oklab(35.51% 0.0151 -0.1639)
OKLCH	oklch(35.51% 0.165 275.3)
XYZ	xyz(6.6367, 3.9258, 26.3893)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A278F #8C8F27

analogous

#27588F #2A278F #5E278F

triadic

#2A278F #8F2A27 #278F2A

tetradic

#2A278F #8F2758 #8C8F27 #278F5E

square

#2A278F #8F2758 #8C8F27 #278F5E

split-complementary

#2A278F #8F5E27 #588F27

monochromatic

#0E0D2F #1C1A5F #2A278F #3834BF #615DD3

Accessibility & contrast

On white

11.76

#2A278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2A278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A278F

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A278F	#FFFFFF	#000000	##FFFFFF
##2A278F	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C92

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#004458

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2a278f;
/* rgb */ color: rgb(42, 39, 143);
/* oklch */ color: oklch(35.5% 0.165 275.3);

Tailwind

colors: {
  custom: {
    50: '#7362b1',
    500: '#2a278f',
    950: '#000000',
  },
}

SCSS

$custom: #2a278f;
$custom-light: #7362b1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a278f",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 241.731,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.3551,
    "c": 0.16463,
    "h": 275.3
  },
  "luminance": 0.03926
}

Semantic roles & 50–950 ramp

primary

#2A278F

secondary

#B5B85A

accent

#E047DC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2A278F

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

Preview Lab → · Contrast checker → · Palette generator →