#2D51BA#2D51BA

#2D51BA is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.3% C 0.171 H 265.7°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#2D51BA
RGB	rgb(45, 81, 186)
HSL	hsl(225, 61%, 45%)
HSV	hsv(225, 76%, 73%)
CMYK	cmyk(75.8%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(37.82, 24.87, -59.10)
CIE-LCH	lch(37.82, 64.12, 292.83°)
OKLab	oklab(47.31% -0.0127 -0.1705)
OKLCH	oklch(47.31% 0.171 265.7)
XYZ	xyz(12.8844, 9.9865, 47.6934)
Luminance	0.0999 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D51BA #BA962D

analogous

#2D97BA #2D51BA #502DBA

triadic

#2D51BA #BA2D51 #51BA2D

tetradic

#2D51BA #BA2D97 #BA962D #2DBA50

square

#2D51BA #BA2D97 #BA962D #2DBA50

split-complementary

#2D51BA #BA502D #97BA2D

monochromatic

#152657 #213C89 #2D51BA #5072D5 #8199E0

Accessibility & contrast

On white

7.01

#2D51BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#2D51BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D51BA

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D51BA	#FFFFFF	#000000	##FFFFFF
##2D51BA	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2d51ba;
/* rgb */ color: rgb(45, 81, 186);
/* oklch */ color: oklch(47.3% 0.171 265.7);

Tailwind

colors: {
  custom: {
    50: '#7b81d0',
    500: '#2d51ba',
    950: '#000000',
  },
}

SCSS

$custom: #2d51ba;
$custom-light: #7b81d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d51ba",
  "rgb": {
    "r": 45,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 224.681,
    "s": 61.039,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47309,
    "c": 0.17095,
    "h": 265.7
  },
  "luminance": 0.09988
}

Semantic roles & 50–950 ramp

primary

#2D51BA

secondary

#C9B579

accent

#BB44E4

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2D51BA

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

Preview Lab → · Contrast checker → · Palette generator →