#2D28B3#2D28B3

#2D28B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.7% C 0.208 H 273.1°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#2D28B3
RGB	rgb(45, 40, 179)
HSL	hsl(242, 63%, 43%)
HSV	hsv(242, 78%, 70%)
CMYK	cmyk(74.9%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(27.65, 47.69, -71.63)
CIE-LCH	lch(27.65, 86.05, 303.65°)
OKLab	oklab(39.7% 0.0113 -0.2073)
OKLCH	oklch(39.7% 0.208 273.1)
XYZ	xyz(9.9749, 5.3291, 43.1420)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28B3 #AEB328

analogous

#2869B3 #2D28B3 #7228B3

triadic

#2D28B3 #B32D28 #28B32D

tetradic

#2D28B3 #B32869 #AEB328 #28B372

square

#2D28B3 #B32869 #AEB328 #28B372

split-complementary

#2D28B3 #B37228 #69B328

monochromatic

#14124F #201D81 #2D28B3 #4843D5 #7975E0

Accessibility & contrast

On white

10.16

#2D28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2D28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28B3

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28B3	#FFFFFF	#000000	##FFFFFF
##2D28B3	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	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: #2d28b3;
/* rgb */ color: rgb(45, 40, 179);
/* oklch */ color: oklch(39.7% 0.208 273.1);

Tailwind

colors: {
  custom: {
    50: '#7c65cb',
    500: '#2d28b3',
    950: '#000000',
  },
}

SCSS

$custom: #2d28b3;
$custom-light: #7c65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28b3",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 242.158,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39696,
    "c": 0.20759,
    "h": 273.1
  },
  "luminance": 0.0533
}

Semantic roles & 50–950 ramp

primary

#2D28B3

secondary

#C4C86F

accent

#E641E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2D28B3

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

Preview Lab → · Contrast checker → · Palette generator →