#2A28B3#2A28B3

#2A28B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.5% C 0.208 H 272.1°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#2A28B3
RGB	rgb(42, 40, 179)
HSL	hsl(241, 63%, 43%)
HSV	hsv(241, 78%, 70%)
CMYK	cmyk(76.5%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(27.47, 47.46, -71.94)
CIE-LCH	lch(27.47, 86.18, 303.41°)
OKLab	oklab(39.52% 0.0077 -0.2082)
OKLCH	oklch(39.52% 0.208 272.1)
XYZ	xyz(9.8476, 5.2634, 43.1360)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28B3 #B1B328

analogous

#286CB3 #2A28B3 #6F28B3

triadic

#2A28B3 #B32A28 #28B32A

tetradic

#2A28B3 #B3286C #B1B328 #28B36F

square

#2A28B3 #B3286C #B1B328 #28B36F

split-complementary

#2A28B3 #B36F28 #6CB328

monochromatic

#13124F #1E1D81 #2A28B3 #4543D5 #7775E0

Accessibility & contrast

On white

10.23

#2A28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2A28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28B3

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28B3	#FFFFFF	#000000	##FFFFFF
##2A28B3	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a28b3;
/* rgb */ color: rgb(42, 40, 179);
/* oklch */ color: oklch(39.5% 0.208 272.1);

Tailwind

colors: {
  custom: {
    50: '#7b65cb',
    500: '#2a28b3',
    950: '#000000',
  },
}

SCSS

$custom: #2a28b3;
$custom-light: #7b65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28b3",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 240.863,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39521,
    "c": 0.20836,
    "h": 272.1
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#2A28B3

secondary

#C6C86F

accent

#E641E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A28B3

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

Preview Lab → · Contrast checker → · Palette generator →