#2D51D3#2D51D3

#2D51D3 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 49.4% C 0.204 H 266.6°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2D51D3
RGB	rgb(45, 81, 211)
HSL	hsl(227, 65%, 50%)
HSV	hsv(227, 79%, 83%)
CMYK	cmyk(78.7%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(39.82, 34.18, -70.35)
CIE-LCH	lch(39.82, 78.22, 295.91°)
OKLab	oklab(49.43% -0.0121 -0.2035)
OKLCH	oklch(49.43% 0.204 266.6)
XYZ	xyz(15.7784, 11.1441, 62.9348)
Luminance	0.1115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51D3 #D3AF2D

analogous

#2DA4D3 #2D51D3 #5C2DD3

triadic

#2D51D3 #D32D51 #51D32D

tetradic

#2D51D3 #D32DA4 #D3AF2D #2DD35C

square

#2D51D3 #D32DA4 #D3AF2D #2DD35C

split-complementary

#2D51D3 #D35C2D #A4D32D

monochromatic

#172A6E #223DA1 #2D51D3 #607BDE #92A5E8

Accessibility & contrast

On white

6.50

#2D51D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2D51D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D51D3

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51D3	#FFFFFF	#000000	##FFFFFF
##2D51D3	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D7

Deuteranopia (green-blind)

#0056D1

Tritanopia (blue-blind)

#00738A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2d51d3;
/* rgb */ color: rgb(45, 81, 211);
/* oklch */ color: oklch(49.4% 0.204 266.6);

Tailwind

colors: {
  custom: {
    50: '#8181e2',
    500: '#2d51d3',
    950: '#000000',
  },
}

SCSS

$custom: #2d51d3;
$custom-light: #8181e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51d3",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 226.988,
    "s": 65.354,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49429,
    "c": 0.20387,
    "h": 266.6
  },
  "luminance": 0.11146
}

Semantic roles & 50–950 ramp

primary

#2D51D3

secondary

#D3C389

accent

#C43FE8

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0A15

muted

#7D7C84

Preview Lab

Preview with #2D51D3

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

Preview Lab → · Contrast checker → · Palette generator →