#2D28B2#2D28B2

#2D28B2 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.6% C 0.206 H 273.2°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2D28B2
RGB	rgb(45, 40, 178)
HSL	hsl(242, 63%, 43%)
HSV	hsv(242, 78%, 70%)
CMYK	cmyk(74.7%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(27.54, 47.37, -71.22)
CIE-LCH	lch(27.54, 85.53, 303.63°)
OKLab	oklab(39.59% 0.0115 -0.2061)
OKLCH	oklch(39.59% 0.206 273.2)
XYZ	xyz(9.8742, 5.2888, 42.6113)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28B2 #ADB228

analogous

#2868B2 #2D28B2 #7228B2

triadic

#2D28B2 #B22D28 #28B22D

tetradic

#2D28B2 #B22868 #ADB228 #28B272

square

#2D28B2 #B22868 #ADB228 #28B272

split-complementary

#2D28B2 #B27228 #68B228

monochromatic

#14124E #201D80 #2D28B2 #4843D5 #7875E0

Accessibility & contrast

On white

10.20

#2D28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2D28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28B2

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28B2	#FFFFFF	#000000	##FFFFFF
##2D28B2	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	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: #2d28b2;
/* rgb */ color: rgb(45, 40, 178);
/* oklch */ color: oklch(39.6% 0.206 273.2);

Tailwind

colors: {
  custom: {
    50: '#7c65ca',
    500: '#2d28b2',
    950: '#000000',
  },
}

SCSS

$custom: #2d28b2;
$custom-light: #7c65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28b2",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 242.174,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39586,
    "c": 0.20639,
    "h": 273.2
  },
  "luminance": 0.0529
}

Semantic roles & 50–950 ramp

primary

#2D28B2

secondary

#C4C76F

accent

#E641E0

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D28B2

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

Preview Lab → · Contrast checker → · Palette generator →