#2E40B3#2E40B3

#2E40B3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.182 H 270.0°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B3
RGB	rgb(46, 64, 179)
HSL	hsl(232, 59%, 44%)
HSV	hsv(232, 74%, 70%)
CMYK	cmyk(74.3%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(32.92, 33.49, -62.96)
CIE-LCH	lch(32.92, 71.31, 298.01°)
OKLab	oklab(43.5% -0.0001 -0.182)
OKLCH	oklch(43.5% 0.182 270)
XYZ	xyz(11.0940, 7.5011, 43.5023)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B3 #B3A12E

analogous

#2E83B3 #2E40B3 #5F2EB3

triadic

#2E40B3 #B32E40 #40B32E

tetradic

#2E40B3 #B32E83 #B3A12E #2EB35F

square

#2E40B3 #B32E83 #B3A12E #2EB35F

split-complementary

#2E40B3 #B35F2E #83B32E

monochromatic

#151D52 #212F82 #2E40B3 #4D5FD1 #7E8BDE

Accessibility & contrast

On white

8.40

#2E40B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2E40B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B3

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B3	#FFFFFF	#000000	##FFFFFF
##2E40B3	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2e40b3;
/* rgb */ color: rgb(46, 64, 179);
/* oklch */ color: oklch(43.5% 0.182 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b75cb',
    500: '#2e40b3',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b3;
$custom-light: #7b75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b3",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 231.88,
    "s": 59.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43501,
    "c": 0.18199,
    "h": 270
  },
  "luminance": 0.07502
}

Semantic roles & 50–950 ramp

primary

#2E40B3

secondary

#C6BC76

accent

#CD46E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2E40B3

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

Preview Lab → · Contrast checker → · Palette generator →