#2F519B#2F519B

#2F519B is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.127 H 263.6°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#2F519B
RGB	rgb(47, 81, 155)
HSL	hsl(221, 53%, 40%)
HSV	hsv(221, 70%, 61%)
CMYK	cmyk(69.7%, 47.7%, 0%, 39.2%)
CIE-LAB	lab(35.70, 13.41, -44.08)
CIE-LCH	lch(35.70, 46.08, 286.92°)
OKLab	oklab(45.03% -0.0142 -0.1263)
OKLCH	oklch(45.03% 0.127 263.6)
XYZ	xyz(10.0290, 8.8547, 32.1846)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F519B #9B792F

analogous

#2F879B #2F519B #432F9B

triadic

#2F519B #9B2F51 #519B2F

tetradic

#2F519B #9B2F87 #9B792F #2F9B43

square

#2F519B #9B2F87 #9B792F #2F9B43

split-complementary

#2F519B #9B432F #879B2F

monochromatic

#13203D #21386C #2F519B #426BC6 #7190D4

Accessibility & contrast

On white

7.58

#2F519B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2F519B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F519B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F519B	#FFFFFF	#000000	##FFFFFF
##2F519B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B599E

Deuteranopia (green-blind)

#134F99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2f519b;
/* rgb */ color: rgb(47, 81, 155);
/* oklch */ color: oklch(45.0% 0.127 263.6);

Tailwind

colors: {
  custom: {
    50: '#7581b9',
    500: '#2f519b',
    950: '#000000',
  },
}

SCSS

$custom: #2f519b;
$custom-light: #7581b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f519b",
  "rgb": {
    "r": 47,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 221.111,
    "s": 53.465,
    "l": 39.608
  },
  "oklch": {
    "l": 0.45028,
    "c": 0.12707,
    "h": 263.6
  },
  "luminance": 0.08856
}

Semantic roles & 50–950 ramp

primary

#2F519B

secondary

#BBA26A

accent

#AF4BDD

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #2F519B

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

Preview Lab → · Contrast checker → · Palette generator →