#2D40C9#2D40C9

#2D40C9 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.210 H 269.3°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2D40C9
RGB	rgb(45, 64, 201)
HSL	hsl(233, 63%, 48%)
HSV	hsv(233, 78%, 79%)
CMYK	cmyk(77.6%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(34.88, 41.26, -72.67)
CIE-LCH	lch(34.88, 83.57, 299.59°)
OKLab	oklab(45.53% -0.0026 -0.2104)
OKLCH	oklch(45.53% 0.21 269.3)
XYZ	xyz(13.4546, 8.4402, 56.1670)
Luminance	0.0844 (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

#2D40C9 #C9B62D

analogous

#2D8EC9 #2D40C9 #682DC9

triadic

#2D40C9 #C92D40 #40C92D

tetradic

#2D40C9 #C92D8E #C9B62D #2DC968

square

#2D40C9 #C92D8E #C9B62D #2DC968

split-complementary

#2D40C9 #C9682D #8EC92D

monochromatic

#172065 #223097 #2D40C9 #5969DA #8B96E5

Accessibility & contrast

On white

7.81

#2D40C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2D40C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D40C9

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D40C9	#FFFFFF	#000000	##FFFFFF
##2D40C9	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ACD

Deuteranopia (green-blind)

#004BC6

Tritanopia (blue-blind)

#00667F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2d40c9;
/* rgb */ color: rgb(45, 64, 201);
/* oklch */ color: oklch(45.5% 0.210 269.3);

Tailwind

colors: {
  custom: {
    50: '#8075db',
    500: '#2d40c9',
    950: '#000000',
  },
}

SCSS

$custom: #2d40c9;
$custom-light: #8075db;
$custom-dark: #000000;

JSON

{
  "hex": "#2d40c9",
  "rgb": {
    "r": 45,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 232.692,
    "s": 63.415,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45533,
    "c": 0.21043,
    "h": 269.3
  },
  "luminance": 0.08442
}

Semantic roles & 50–950 ramp

primary

#2D40C9

secondary

#CFC683

accent

#D241E6

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #2D40C9

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

Preview Lab → · Contrast checker → · Palette generator →