#2E40B1#2E40B1

#2E40B1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.179 H 270.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B1
RGB	rgb(46, 64, 177)
HSL	hsl(232, 59%, 44%)
HSV	hsv(232, 74%, 69%)
CMYK	cmyk(74%, 63.8%, 0%, 30.6%)
CIE-LAB	lab(32.75, 32.76, -62.05)
CIE-LCH	lch(32.75, 70.17, 297.83°)
OKLab	oklab(43.32% 0 -0.1793)
OKLCH	oklch(43.32% 0.179 270)
XYZ	xyz(10.8932, 7.4208, 42.4447)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B1 #B19F2E

analogous

#2E81B1 #2E40B1 #5D2EB1

triadic

#2E40B1 #B12E40 #40B12E

tetradic

#2E40B1 #B12E81 #B19F2E #2EB15D

square

#2E40B1 #B12E81 #B19F2E #2EB15D

split-complementary

#2E40B1 #B15D2E #81B12E

monochromatic

#151D50 #212E80 #2E40B1 #4C5ED0 #7C8ADD

Accessibility & contrast

On white

8.45

#2E40B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2E40B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B1

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B1	#FFFFFF	#000000	##FFFFFF
##2E40B1	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2e40b1;
/* rgb */ color: rgb(46, 64, 177);
/* oklch */ color: oklch(43.3% 0.179 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a74c9',
    500: '#2e40b1',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b1;
$custom-light: #7a74c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b1",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 177
  },
  "hsl": {
    "h": 231.756,
    "s": 58.744,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43318,
    "c": 0.17935,
    "h": 270
  },
  "luminance": 0.07422
}

Semantic roles & 50–950 ramp

primary

#2E40B1

secondary

#C6BB75

accent

#CC46E2

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2E40B1

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

Preview Lab → · Contrast checker → · Palette generator →