#2A51C1#2A51C1

#2A51C1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.8% C 0.181 H 265.3°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A51C1
RGB	rgb(42, 81, 193)
HSL	hsl(225, 64%, 46%)
HSV	hsv(225, 78%, 76%)
CMYK	cmyk(78.2%, 58%, 0%, 24.3%)
CIE-LAB	lab(38.24, 27.19, -62.51)
CIE-LCH	lch(38.24, 68.16, 293.51°)
OKLab	oklab(47.77% -0.0147 -0.1805)
OKLCH	oklch(47.77% 0.181 265.3)
XYZ	xyz(13.5195, 10.2258, 51.7030)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A51C1 #C19A2A

analogous

#2A9CC1 #2A51C1 #4E2AC1

triadic

#2A51C1 #C12A51 #51C12A

tetradic

#2A51C1 #C12A9C #C19A2A #2AC14E

square

#2A51C1 #C12A9C #C19A2A #2AC14E

split-complementary

#2A51C1 #C14E2A #9CC12A

monochromatic

#14275C #1F3C8F #2A51C1 #4F73D9 #829BE4

Accessibility & contrast

On white

6.90

#2A51C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2A51C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A51C1

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A51C1	#FFFFFF	#000000	##FFFFFF
##2A51C1	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C5

Deuteranopia (green-blind)

#0053BF

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a51c1;
/* rgb */ color: rgb(42, 81, 193);
/* oklch */ color: oklch(47.8% 0.181 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b81d5',
    500: '#2a51c1',
    950: '#000000',
  },
}

SCSS

$custom: #2a51c1;
$custom-light: #7b81d5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a51c1",
  "rgb": {
    "r": 42,
    "g": 81,
    "b": 193
  },
  "hsl": {
    "h": 224.503,
    "s": 64.255,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47767,
    "c": 0.18114,
    "h": 265.3
  },
  "luminance": 0.10227
}

Semantic roles & 50–950 ramp

primary

#2A51C1

secondary

#CDB77A

accent

#BC41E7

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2A51C1

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

Preview Lab → · Contrast checker → · Palette generator →