#2E51C9#2E51C9

#2E51C9 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.191 H 266.6°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#2E51C9
RGB	rgb(46, 81, 201)
HSL	hsl(226, 63%, 48%)
HSV	hsv(226, 77%, 79%)
CMYK	cmyk(77.1%, 59.7%, 0%, 21.2%)
CIE-LAB	lab(39.04, 30.59, -65.86)
CIE-LCH	lch(39.04, 72.62, 294.92°)
OKLab	oklab(48.6% -0.0114 -0.1903)
OKLCH	oklch(48.6% 0.191 266.6)
XYZ	xyz(14.6081, 10.6811, 56.5388)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E51C9 #C9A62E

analogous

#2E9EC9 #2E51C9 #592EC9

triadic

#2E51C9 #C92E51 #51C92E

tetradic

#2E51C9 #C92E9E #C9A62E #2EC959

square

#2E51C9 #C92E9E #C9A62E #2EC959

split-complementary

#2E51C9 #C9592E #9EC92E

monochromatic

#172965 #233D97 #2E51C9 #5B77D9 #8DA1E5

Accessibility & contrast

On white

6.70

#2E51C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2E51C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E51C9

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E51C9	#FFFFFF	#000000	##FFFFFF
##2E51C9	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CD

Deuteranopia (green-blind)

#0055C7

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2e51c9;
/* rgb */ color: rgb(46, 81, 201);
/* oklch */ color: oklch(48.6% 0.191 266.6);

Tailwind

colors: {
  custom: {
    50: '#7e81da',
    500: '#2e51c9',
    950: '#000000',
  },
}

SCSS

$custom: #2e51c9;
$custom-light: #7e81da;
$custom-dark: #000000;

JSON

{
  "hex": "#2e51c9",
  "rgb": {
    "r": 46,
    "g": 81,
    "b": 201
  },
  "hsl": {
    "h": 226.452,
    "s": 62.753,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48602,
    "c": 0.19066,
    "h": 266.6
  },
  "luminance": 0.10683
}

Semantic roles & 50–950 ramp

primary

#2E51C9

secondary

#CFBE84

accent

#C142E6

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #2E51C9

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

Preview Lab → · Contrast checker → · Palette generator →