#2D51BD#2D51BD

#2D51BD is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.175 H 265.9°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#2D51BD
RGB	rgb(45, 81, 189)
HSL	hsl(225, 62%, 46%)
HSV	hsv(225, 76%, 74%)
CMYK	cmyk(76.2%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(38.05, 26.00, -60.48)
CIE-LCH	lch(38.05, 65.84, 293.27°)
OKLab	oklab(47.55% -0.0125 -0.1745)
OKLCH	oklch(47.55% 0.175 265.9)
XYZ	xyz(13.2067, 10.1154, 49.3907)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51BD #BD992D

analogous

#2D99BD #2D51BD #512DBD

triadic

#2D51BD #BD2D51 #51BD2D

tetradic

#2D51BD #BD2D99 #BD992D #2DBD51

square

#2D51BD #BD2D99 #BD992D #2DBD51

split-complementary

#2D51BD #BD512D #99BD2D

monochromatic

#15275A #213C8C #2D51BD #5273D6 #839BE1

Accessibility & contrast

On white

6.95

#2D51BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2D51BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D51BD

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51BD	#FFFFFF	#000000	##FFFFFF
##2D51BD	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0053BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2d51bd;
/* rgb */ color: rgb(45, 81, 189);
/* oklch */ color: oklch(47.6% 0.175 265.9);

Tailwind

colors: {
  custom: {
    50: '#7b81d2',
    500: '#2d51bd',
    950: '#000000',
  },
}

SCSS

$custom: #2d51bd;
$custom-light: #7b81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51bd",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 225,
    "s": 61.538,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47554,
    "c": 0.175,
    "h": 265.9
  },
  "luminance": 0.10117
}

Semantic roles & 50–950 ramp

primary

#2D51BD

secondary

#CBB77B

accent

#BC43E5

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2D51BD

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

Preview Lab → · Contrast checker → · Palette generator →