#2B28A6#2B28A6

#2B28A6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.192 H 273.4°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#2B28A6
RGB	rgb(43, 40, 166)
HSL	hsl(241, 61%, 40%)
HSV	hsv(241, 76%, 65%)
CMYK	cmyk(74.1%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(26.11, 43.28, -66.38)
CIE-LCH	lch(26.11, 79.24, 303.10°)
OKLab	oklab(38.16% 0.0116 -0.192)
OKLCH	oklch(38.16% 0.192 273.4)
XYZ	xyz(8.6357, 4.7835, 36.5372)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28A6 #A3A628

analogous

#2864A6 #2B28A6 #6A28A6

triadic

#2B28A6 #A62B28 #28A62B

tetradic

#2B28A6 #A62864 #A3A628 #28A66A

square

#2B28A6 #A62864 #A3A628 #28A66A

split-complementary

#2B28A6 #A66A28 #64A628

monochromatic

#111043 #1E1C75 #2B28A6 #3F3BD0 #6F6DDC

Accessibility & contrast

On white

10.73

#2B28A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2B28A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28A6

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28A6	#FFFFFF	#000000	##FFFFFF
##2B28A6	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#0038A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b28a6;
/* rgb */ color: rgb(43, 40, 166);
/* oklch */ color: oklch(38.2% 0.192 273.4);

Tailwind

colors: {
  custom: {
    50: '#7964c2',
    500: '#2b28a6',
    950: '#000000',
  },
}

SCSS

$custom: #2b28a6;
$custom-light: #7964c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28a6",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 241.429,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38156,
    "c": 0.1924,
    "h": 273.4
  },
  "luminance": 0.04784
}

Semantic roles & 50–950 ramp

primary

#2B28A6

secondary

#C0C267

accent

#E444E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2B28A6

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

Preview Lab → · Contrast checker → · Palette generator →