#2A51C0#2A51C0

#2A51C0 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.180 H 265.3°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A51C0
RGB	rgb(42, 81, 192)
HSL	hsl(224, 64%, 46%)
HSV	hsv(224, 78%, 75%)
CMYK	cmyk(78.1%, 57.8%, 0%, 24.7%)
CIE-LAB	lab(38.17, 26.81, -62.05)
CIE-LCH	lch(38.17, 67.60, 293.37°)
OKLab	oklab(47.68% -0.0148 -0.1792)
OKLCH	oklch(47.68% 0.18 265.3)
XYZ	xyz(13.4083, 10.1813, 51.1175)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51C0 #C0992A

analogous

#2A9CC0 #2A51C0 #4E2AC0

triadic

#2A51C0 #C02A51 #51C02A

tetradic

#2A51C0 #C02A9C #C0992A #2AC04E

square

#2A51C0 #C02A9C #C0992A #2AC04E

split-complementary

#2A51C0 #C04E2A #9CC02A

monochromatic

#14275C #1F3C8E #2A51C0 #4F73D8 #819BE3

Accessibility & contrast

On white

6.92

#2A51C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2A51C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A51C0

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51C0	#FFFFFF	#000000	##FFFFFF
##2A51C0	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C4

Deuteranopia (green-blind)

#0053BE

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a51c0;
/* rgb */ color: rgb(42, 81, 192);
/* oklch */ color: oklch(47.7% 0.180 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b81d4',
    500: '#2a51c0',
    950: '#000000',
  },
}

SCSS

$custom: #2a51c0;
$custom-light: #7b81d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51c0",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 192
  },
  "hsl": {
    "h": 224.4,
    "s": 64.103,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47683,
    "c": 0.17982,
    "h": 265.3
  },
  "luminance": 0.10183
}

Semantic roles & 50–950 ramp

primary

#2A51C0

secondary

#CCB77A

accent

#BC41E7

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2A51C0

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

Preview Lab → · Contrast checker → · Palette generator →