#2D28A5#2D28A5

#2D28A5 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.191 H 274.3°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2D28A5
RGB	rgb(45, 40, 165)
HSL	hsl(242, 61%, 40%)
HSV	hsv(242, 76%, 65%)
CMYK	cmyk(72.7%, 75.8%, 0%, 35.3%)
CIE-LAB	lab(26.13, 43.13, -65.73)
CIE-LCH	lch(26.13, 78.62, 303.27°)
OKLab	oklab(38.17% 0.0143 -0.1901)
OKLCH	oklch(38.17% 0.191 274.3)
XYZ	xyz(8.6303, 4.7912, 36.0600)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28A5 #A0A528

analogous

#2861A5 #2D28A5 #6B28A5

triadic

#2D28A5 #A52D28 #28A52D

tetradic

#2D28A5 #A52861 #A0A528 #28A56B

square

#2D28A5 #A52861 #A0A528 #28A56B

split-complementary

#2D28A5 #A56B28 #61A528

monochromatic

#121042 #201C74 #2D28A5 #413BCF #706CDB

Accessibility & contrast

On white

10.72

#2D28A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2D28A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28A5

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28A5	#FFFFFF	#000000	##FFFFFF
##2D28A5	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A9

Deuteranopia (green-blind)

#0038A3

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d28a5;
/* rgb */ color: rgb(45, 40, 165);
/* oklch */ color: oklch(38.2% 0.191 274.3);

Tailwind

colors: {
  custom: {
    50: '#7964c1',
    500: '#2d28a5',
    950: '#000000',
  },
}

SCSS

$custom: #2d28a5;
$custom-light: #7964c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28a5",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 165
  },
  "hsl": {
    "h": 242.4,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38175,
    "c": 0.19065,
    "h": 274.3
  },
  "luminance": 0.04792
}

Semantic roles & 50–950 ramp

primary

#2D28A5

secondary

#BEC267

accent

#E444DE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #2D28A5

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

Preview Lab → · Contrast checker → · Palette generator →