#2B509F#2B509F

#2B509F is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.135 H 263.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B509F
RGB	rgb(43, 80, 159)
HSL	hsl(221, 57%, 40%)
HSV	hsv(221, 73%, 62%)
CMYK	cmyk(73%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(35.50, 14.99, -46.82)
CIE-LCH	lch(35.50, 49.16, 287.75°)
OKLab	oklab(44.91% -0.0161 -0.1344)
OKLCH	oklch(44.91% 0.135 263.2)
XYZ	xyz(10.1207, 8.7530, 33.9503)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B509F #9F7A2B

analogous

#2B8A9F #2B509F #402B9F

triadic

#2B509F #9F2B50 #509F2B

tetradic

#2B509F #9F2B8A #9F7A2B #2B9F40

square

#2B509F #9F2B8A #9F7A2B #2B9F40

split-complementary

#2B509F #9F402B #8A9F2B

monochromatic

#11203F #1E386F #2B509F #3D6ACA #6D8FD7

Accessibility & contrast

On white

7.63

#2B509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2B509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B509F

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B509F	#FFFFFF	#000000	##FFFFFF
##2B509F	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2359A2

Deuteranopia (green-blind)

#004E9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2b509f;
/* rgb */ color: rgb(43, 80, 159);
/* oklch */ color: oklch(44.9% 0.135 263.2);

Tailwind

colors: {
  custom: {
    50: '#7480bc',
    500: '#2b509f',
    950: '#000000',
  },
}

SCSS

$custom: #2b509f;
$custom-light: #7480bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b509f",
  "rgb": {
    "r": 43,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 220.862,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44912,
    "c": 0.13537,
    "h": 263.2
  },
  "luminance": 0.08754
}

Semantic roles & 50–950 ramp

primary

#2B509F

secondary

#BEA367

accent

#B047E1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B509F

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

Preview Lab → · Contrast checker → · Palette generator →