#2A40C5#2A40C5

#2A40C5 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.0% C 0.206 H 268.6°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#2A40C5
RGB	rgb(42, 64, 197)
HSL	hsl(231, 65%, 47%)
HSV	hsv(231, 79%, 77%)
CMYK	cmyk(78.7%, 67.5%, 0%, 22.7%)
CIE-LAB	lab(34.37, 39.58, -71.18)
CIE-LCH	lch(34.37, 81.45, 299.08°)
OKLab	oklab(45.01% -0.005 -0.2061)
OKLCH	oklch(45.01% 0.206 268.6)
XYZ	xyz(12.8628, 8.1888, 53.7152)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A40C5 #C5AF2A

analogous

#2A8EC5 #2A40C5 #622AC5

triadic

#2A40C5 #C52A40 #40C52A

tetradic

#2A40C5 #C52A8E #C5AF2A #2AC562

square

#2A40C5 #C52A8E #C5AF2A #2AC562

split-complementary

#2A40C5 #C5622A #8EC52A

monochromatic

#141F60 #1F3093 #2A40C5 #5265DA #8592E5

Accessibility & contrast

On white

7.96

#2A40C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2A40C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A40C5

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A40C5	#FFFFFF	#000000	##FFFFFF
##2A40C5	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C9

Deuteranopia (green-blind)

#0049C3

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2a40c5;
/* rgb */ color: rgb(42, 64, 197);
/* oklch */ color: oklch(45.0% 0.206 268.6);

Tailwind

colors: {
  custom: {
    50: '#7e75d8',
    500: '#2a40c5',
    950: '#000000',
  },
}

SCSS

$custom: #2a40c5;
$custom-light: #7e75d8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a40c5",
  "rgb": {
    "r": 42,
    "g": 64,
    "b": 197
  },
  "hsl": {
    "h": 231.484,
    "s": 64.854,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45011,
    "c": 0.20618,
    "h": 268.6
  },
  "luminance": 0.0819
}

Semantic roles & 50–950 ramp

primary

#2A40C5

secondary

#CEC37D

accent

#D040E8

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #2A40C5

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

Preview Lab → · Contrast checker → · Palette generator →