#2B28B2#2B28B2

#2B28B2 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.5% C 0.207 H 272.5°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B28B2
RGB	rgb(43, 40, 178)
HSL	hsl(241, 63%, 43%)
HSV	hsv(241, 78%, 70%)
CMYK	cmyk(75.8%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(27.42, 47.21, -71.42)
CIE-LCH	lch(27.42, 85.62, 303.46°)
OKLab	oklab(39.47% 0.0091 -0.2067)
OKLCH	oklch(39.47% 0.207 272.5)
XYZ	xyz(9.7882, 5.2445, 42.6073)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28B2 #AFB228

analogous

#286AB2 #2B28B2 #7028B2

triadic

#2B28B2 #B22B28 #28B22B

tetradic

#2B28B2 #B2286A #AFB228 #28B270

square

#2B28B2 #B2286A #AFB228 #28B270

split-complementary

#2B28B2 #B27028 #6AB228

monochromatic

#13124E #1F1D80 #2B28B2 #4643D5 #7775E0

Accessibility & contrast

On white

10.25

#2B28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2B28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28B2

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28B2	#FFFFFF	#000000	##FFFFFF
##2B28B2	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b28b2;
/* rgb */ color: rgb(43, 40, 178);
/* oklch */ color: oklch(39.5% 0.207 272.5);

Tailwind

colors: {
  custom: {
    50: '#7b65ca',
    500: '#2b28b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b28b2;
$custom-light: #7b65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28b2",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 241.304,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39468,
    "c": 0.20691,
    "h": 272.5
  },
  "luminance": 0.05246
}

Semantic roles & 50–950 ramp

primary

#2B28B2

secondary

#C5C76F

accent

#E641E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2B28B2

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

Preview Lab → · Contrast checker → · Palette generator →