#2B28BD#2B28BD

#2B28BD is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.7% C 0.220 H 271.8°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B28BD
RGB	rgb(43, 40, 189)
HSL	hsl(241, 65%, 45%)
HSV	hsv(241, 79%, 74%)
CMYK	cmyk(77.2%, 78.8%, 0%, 25.9%)
CIE-LAB	lab(28.65, 50.73, -75.92)
CIE-LCH	lch(28.65, 91.31, 303.75°)
OKLab	oklab(40.69% 0.0068 -0.2198)
OKLCH	oklch(40.69% 0.22 271.8)
XYZ	xyz(10.9373, 5.7041, 48.6588)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B28BD #BABD28

analogous

#2870BD #2B28BD #7528BD

triadic

#2B28BD #BD2B28 #28BD2B

tetradic

#2B28BD #BD2870 #BABD28 #28BD75

square

#2B28BD #BD2870 #BABD28 #28BD75

split-complementary

#2B28BD #BD7528 #70BD28

monochromatic

#141358 #201D8A #2B28BD #4C4AD9 #7E7CE3

Accessibility & contrast

On white

9.81

#2B28BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2B28BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B28BD

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B28BD	#FFFFFF	#000000	##FFFFFF
##2B28BD	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BC1

Deuteranopia (green-blind)

#003CBA

Tritanopia (blue-blind)

#005672

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b28bd;
/* rgb */ color: rgb(43, 40, 189);
/* oklch */ color: oklch(40.7% 0.220 271.8);

Tailwind

colors: {
  custom: {
    50: '#7e65d2',
    500: '#2b28bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b28bd;
$custom-light: #7e65d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b28bd",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 189
  },
  "hsl": {
    "h": 241.208,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.40693,
    "c": 0.21987,
    "h": 271.8
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#2B28BD

secondary

#CACB75

accent

#E840E5

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2B28BD

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

Preview Lab → · Contrast checker → · Palette generator →