#2A51C3#2A51C3

#2A51C3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.184 H 265.4°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A51C3
RGB	rgb(42, 81, 195)
HSL	hsl(225, 65%, 46%)
HSV	hsv(225, 78%, 76%)
CMYK	cmyk(78.5%, 58.5%, 0%, 23.5%)
CIE-LAB	lab(38.40, 27.94, -63.42)
CIE-LCH	lch(38.40, 69.30, 293.78°)
OKLab	oklab(47.94% -0.0146 -0.1832)
OKLCH	oklch(47.94% 0.184 265.4)
XYZ	xyz(13.7441, 10.3156, 52.8859)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51C3 #C39C2A

analogous

#2A9EC3 #2A51C3 #502AC3

triadic

#2A51C3 #C32A51 #51C32A

tetradic

#2A51C3 #C32A9E #C39C2A #2AC350

square

#2A51C3 #C32A9E #C39C2A #2AC350

split-complementary

#2A51C3 #C3502A #9EC32A

monochromatic

#14275E #1F3C91 #2A51C3 #5174D9 #839CE4

Accessibility & contrast

On white

6.86

#2A51C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#2A51C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A51C3

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51C3	#FFFFFF	#000000	##FFFFFF
##2A51C3	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C7

Deuteranopia (green-blind)

#0054C1

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a51c3;
/* rgb */ color: rgb(42, 81, 195);
/* oklch */ color: oklch(47.9% 0.184 265.4);

Tailwind

colors: {
  custom: {
    50: '#7c81d6',
    500: '#2a51c3',
    950: '#000000',
  },
}

SCSS

$custom: #2a51c3;
$custom-light: #7c81d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51c3",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 195
  },
  "hsl": {
    "h": 224.706,
    "s": 64.557,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47935,
    "c": 0.18379,
    "h": 265.4
  },
  "luminance": 0.10317
}

Semantic roles & 50–950 ramp

primary

#2A51C3

secondary

#CDB87B

accent

#BD40E8

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2A51C3

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

Preview Lab → · Contrast checker → · Palette generator →