#2B28B8#2B28B8

#2B28B8 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.214 H 272.1°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B28B8
RGB	rgb(43, 40, 184)
HSL	hsl(241, 64%, 44%)
HSV	hsv(241, 78%, 72%)
CMYK	cmyk(76.6%, 78.3%, 0%, 27.8%)
CIE-LAB	lab(28.09, 49.14, -73.89)
CIE-LCH	lch(28.09, 88.74, 303.62°)
OKLab	oklab(40.13% 0.0079 -0.2139)
OKLCH	oklch(40.13% 0.214 272.1)
XYZ	xyz(10.4039, 5.4907, 45.8496)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28B8 #B5B828

analogous

#286DB8 #2B28B8 #7328B8

triadic

#2B28B8 #B82B28 #28B82B

tetradic

#2B28B8 #B8286D #B5B828 #28B873

square

#2B28B8 #B8286D #B5B828 #28B873

split-complementary

#2B28B8 #B87328 #6DB828

monochromatic

#141253 #1F1D86 #2B28B8 #4946D7 #7B79E2

Accessibility & contrast

On white

10.01

#2B28B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2B28B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28B8

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28B8	#FFFFFF	#000000	##FFFFFF
##2B28B8	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BC

Deuteranopia (green-blind)

#003BB6

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b28b8;
/* rgb */ color: rgb(43, 40, 184);
/* oklch */ color: oklch(40.1% 0.214 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d65cf',
    500: '#2b28b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b28b8;
$custom-light: #7d65cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28b8",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 184
  },
  "hsl": {
    "h": 241.25,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40133,
    "c": 0.21401,
    "h": 272.1
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#2B28B8

secondary

#C8CA72

accent

#E741E4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2B28B8

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

Preview Lab → · Contrast checker → · Palette generator →