#2A28A6#2A28A6

#2A28A6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.193 H 273.1°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#2A28A6
RGB	rgb(42, 40, 166)
HSL	hsl(241, 61%, 40%)
HSV	hsv(241, 76%, 65%)
CMYK	cmyk(74.7%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(26.05, 43.19, -66.49)
CIE-LCH	lch(26.05, 79.28, 303.01°)
OKLab	oklab(38.1% 0.0103 -0.1924)
OKLCH	oklch(38.1% 0.193 273.1)
XYZ	xyz(8.5943, 4.7621, 36.5352)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28A6 #A4A628

analogous

#2865A6 #2A28A6 #6928A6

triadic

#2A28A6 #A62A28 #28A62A

tetradic

#2A28A6 #A62865 #A4A628 #28A669

square

#2A28A6 #A62865 #A4A628 #28A669

split-complementary

#2A28A6 #A66928 #65A628

monochromatic

#111043 #1E1C75 #2A28A6 #3E3BD0 #6E6DDC

Accessibility & contrast

On white

10.75

#2A28A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2A28A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28A6

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28A6	#FFFFFF	#000000	##FFFFFF
##2A28A6	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2a28a6;
/* rgb */ color: rgb(42, 40, 166);
/* oklch */ color: oklch(38.1% 0.193 273.1);

Tailwind

colors: {
  custom: {
    50: '#7864c2',
    500: '#2a28a6',
    950: '#000000',
  },
}

SCSS

$custom: #2a28a6;
$custom-light: #7864c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28a6",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 240.952,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38095,
    "c": 0.19266,
    "h": 273.1
  },
  "luminance": 0.04763
}

Semantic roles & 50–950 ramp

primary

#2A28A6

secondary

#C1C267

accent

#E444E2

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2A28A6

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

Preview Lab → · Contrast checker → · Palette generator →