#2E40C9#2E40C9

#2E40C9 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.6% C 0.210 H 269.5°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#2E40C9
RGB	rgb(46, 64, 201)
HSL	hsl(233, 63%, 48%)
HSV	hsv(233, 77%, 79%)
CMYK	cmyk(77.1%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(34.93, 41.35, -72.59)
CIE-LCH	lch(34.93, 83.54, 299.66°)
OKLab	oklab(45.58% -0.0017 -0.2102)
OKLCH	oklch(45.58% 0.21 269.5)
XYZ	xyz(13.4991, 8.4632, 56.1691)
Luminance	0.0847 (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

#2E40C9 #C9B72E

analogous

#2E8DC9 #2E40C9 #692EC9

triadic

#2E40C9 #C92E40 #40C92E

tetradic

#2E40C9 #C92E8D #C9B72E #2EC969

square

#2E40C9 #C92E8D #C9B72E #2EC969

split-complementary

#2E40C9 #C9692E #8DC92E

monochromatic

#172065 #233097 #2E40C9 #5B69D9 #8D97E5

Accessibility & contrast

On white

7.80

#2E40C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2E40C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40C9

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40C9	#FFFFFF	#000000	##FFFFFF
##2E40C9	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	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: #2e40c9;
/* rgb */ color: rgb(46, 64, 201);
/* oklch */ color: oklch(45.6% 0.210 269.5);

Tailwind

colors: {
  custom: {
    50: '#8075db',
    500: '#2e40c9',
    950: '#000000',
  },
}

SCSS

$custom: #2e40c9;
$custom-light: #8075db;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40c9",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 233.032,
    "s": 62.753,
    "l": 48.431
  },
  "oklch": {
    "l": 0.45579,
    "c": 0.21017,
    "h": 269.5
  },
  "luminance": 0.08465
}

Semantic roles & 50–950 ramp

primary

#2E40C9

secondary

#CFC684

accent

#D342E6

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #2E40C9

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

Preview Lab → · Contrast checker → · Palette generator →