#2D509B#2D509B

#2D509B is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.7% C 0.129 H 263.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#2D509B
RGB	rgb(45, 80, 155)
HSL	hsl(221, 55%, 39%)
HSV	hsv(221, 71%, 61%)
CMYK	cmyk(71%, 48.4%, 0%, 39.2%)
CIE-LAB	lab(35.32, 13.76, -44.70)
CIE-LCH	lch(35.32, 46.77, 287.11°)
OKLab	oklab(44.71% -0.015 -0.1281)
OKLCH	oklch(44.71% 0.129 263.3)
XYZ	xyz(9.8652, 8.6608, 32.1558)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D509B #9B782D

analogous

#2D879B #2D509B #412D9B

triadic

#2D509B #9B2D50 #509B2D

tetradic

#2D509B #9B2D87 #9B782D #2D9B41

square

#2D509B #9B2D87 #9B782D #2D9B41

split-complementary

#2D509B #9B412D #879B2D

monochromatic

#111F3C #1F386C #2D509B #3E6AC7 #6E8ED5

Accessibility & contrast

On white

7.69

#2D509B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#2D509B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D509B

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D509B	#FFFFFF	#000000	##FFFFFF
##2D509B	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28589E

Deuteranopia (green-blind)

#0D4E99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2d509b;
/* rgb */ color: rgb(45, 80, 155);
/* oklch */ color: oklch(44.7% 0.129 263.3);

Tailwind

colors: {
  custom: {
    50: '#7480b9',
    500: '#2d509b',
    950: '#000000',
  },
}

SCSS

$custom: #2d509b;
$custom-light: #7480b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d509b",
  "rgb": {
    "r": 45,
    "g": 80,
    "b": 155
  },
  "hsl": {
    "h": 220.909,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44711,
    "c": 0.12902,
    "h": 263.3
  },
  "luminance": 0.08662
}

Semantic roles & 50–950 ramp

primary

#2D509B

secondary

#BCA168

accent

#AF49DE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2D509B

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

Preview Lab → · Contrast checker → · Palette generator →