#2F549B#2F549B

#2F549B is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.7% C 0.123 H 262.0°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#2F549B
RGB	rgb(47, 84, 155)
HSL	hsl(219, 53%, 40%)
HSV	hsv(219, 70%, 61%)
CMYK	cmyk(69.7%, 45.8%, 0%, 39.2%)
CIE-LAB	lab(36.58, 11.43, -42.68)
CIE-LCH	lch(36.58, 44.19, 284.99°)
OKLab	oklab(45.7% -0.0172 -0.1221)
OKLCH	oklch(45.7% 0.123 262)
XYZ	xyz(10.2569, 9.3105, 32.2605)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F549B #9B762F

analogous

#2F8A9B #2F549B #402F9B

triadic

#2F549B #9B2F54 #549B2F

tetradic

#2F549B #9B2F8A #9B762F #2F9B40

square

#2F549B #9B2F8A #9B762F #2F9B40

split-complementary

#2F549B #9B402F #8A9B2F

monochromatic

#13213D #213B6C #2F549B #426FC6 #7193D4

Accessibility & contrast

On white

7.34

#2F549B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#2F549B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F549B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F549B	#FFFFFF	#000000	##FFFFFF
##2F549B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315B9E

Deuteranopia (green-blind)

#1D519A

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #2f549b;
/* rgb */ color: rgb(47, 84, 155);
/* oklch */ color: oklch(45.7% 0.123 262.0);

Tailwind

colors: {
  custom: {
    50: '#7483b9',
    500: '#2f549b',
    950: '#000000',
  },
}

SCSS

$custom: #2f549b;
$custom-light: #7483b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f549b",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 155
  },
  "hsl": {
    "h": 219.444,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45697,
    "c": 0.12331,
    "h": 262
  },
  "luminance": 0.09312
}

Semantic roles & 50–950 ramp

primary

#2F549B

secondary

#BBA06A

accent

#AB4BDD

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2F549B

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

Preview Lab → · Contrast checker → · Palette generator →