#2E40B5#2E40B5

#2E40B5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.185 H 269.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2E40B5
RGB	rgb(46, 64, 181)
HSL	hsl(232, 59%, 45%)
HSV	hsv(232, 75%, 71%)
CMYK	cmyk(74.6%, 64.6%, 0%, 29%)
CIE-LAB	lab(33.10, 34.21, -63.85)
CIE-LCH	lch(33.10, 72.44, 298.18°)
OKLab	oklab(43.69% -0.0002 -0.1846)
OKLCH	oklch(43.69% 0.185 269.9)
XYZ	xyz(11.2977, 7.5826, 44.5753)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E40B5 #B5A32E

analogous

#2E84B5 #2E40B5 #602EB5

triadic

#2E40B5 #B52E40 #40B52E

tetradic

#2E40B5 #B52E84 #B5A32E #2EB560

square

#2E40B5 #B52E84 #B5A32E #2EB560

split-complementary

#2E40B5 #B5602E #84B52E

monochromatic

#151D53 #222F84 #2E40B5 #4E60D2 #7F8CDE

Accessibility & contrast

On white

8.34

#2E40B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2E40B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E40B5

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E40B5	#FFFFFF	#000000	##FFFFFF
##2E40B5	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B9

Deuteranopia (green-blind)

#0048B3

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2e40b5;
/* rgb */ color: rgb(46, 64, 181);
/* oklch */ color: oklch(43.7% 0.185 269.9);

Tailwind

colors: {
  custom: {
    50: '#7b75cc',
    500: '#2e40b5',
    950: '#000000',
  },
}

SCSS

$custom: #2e40b5;
$custom-light: #7b75cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2e40b5",
  "rgb": {
    "r": 46,
    "g": 64,
    "b": 181
  },
  "hsl": {
    "h": 232,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43685,
    "c": 0.18462,
    "h": 269.9
  },
  "luminance": 0.07584
}

Semantic roles & 50–950 ramp

primary

#2E40B5

secondary

#C7BD78

accent

#CE45E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2E40B5

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

Preview Lab → · Contrast checker → · Palette generator →