#2A278E#2A278E

#2A278E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.163 H 275.4°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A278E
RGB	rgb(42, 39, 142)
HSL	hsl(242, 57%, 35%)
HSV	hsv(242, 73%, 56%)
CMYK	cmyk(70.4%, 72.5%, 0%, 44.3%)
CIE-LAB	lab(23.32, 35.61, -56.27)
CIE-LCH	lch(23.32, 66.59, 302.33°)
OKLab	oklab(35.41% 0.0153 -0.1626)
OKLCH	oklch(35.41% 0.163 275.4)
XYZ	xyz(6.5612, 3.8957, 25.9921)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A278E #8B8E27

analogous

#27578E #2A278E #5E278E

triadic

#2A278E #8E2A27 #278E2A

tetradic

#2A278E #8E2757 #8B8E27 #278E5E

square

#2A278E #8E2757 #8B8E27 #278E5E

split-complementary

#2A278E #8E5E27 #578E27

monochromatic

#0E0D2E #1C1A5E #2A278E #3834BE #605DD2

Accessibility & contrast

On white

11.80

#2A278E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2A278E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A278E

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A278E	#FFFFFF	#000000	##FFFFFF
##2A278E	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#00338C

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2a278e;
/* rgb */ color: rgb(42, 39, 142);
/* oklch */ color: oklch(35.4% 0.163 275.4);

Tailwind

colors: {
  custom: {
    50: '#7362b0',
    500: '#2a278e',
    950: '#000000',
  },
}

SCSS

$custom: #2a278e;
$custom-light: #7362b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a278e",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 142
  },
  "hsl": {
    "h": 241.748,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.35407,
    "c": 0.16332,
    "h": 275.4
  },
  "luminance": 0.03896
}

Semantic roles & 50–950 ramp

primary

#2A278E

secondary

#B5B859

accent

#E048DC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #2A278E

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

Preview Lab → · Contrast checker → · Palette generator →