#2F5FB5#2F5FB5

#2F5FB5 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.146 H 261.0°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FB5
RGB	rgb(47, 95, 181)
HSL	hsl(219, 59%, 45%)
HSV	hsv(219, 74%, 71%)
CMYK	cmyk(74%, 47.5%, 0%, 29%)
CIE-LAB	lab(41.41, 14.07, -50.35)
CIE-LCH	lch(41.41, 52.28, 285.61°)
OKLab	oklab(49.95% -0.0229 -0.1445)
OKLCH	oklch(49.95% 0.146 261)
XYZ	xyz(13.6020, 12.1235, 45.3303)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FB5 #B5852F

analogous

#2FA2B5 #2F5FB5 #422FB5

triadic

#2F5FB5 #B52F5F #5FB52F

tetradic

#2F5FB5 #B52FA2 #B5852F #2FB542

square

#2F5FB5 #B52FA2 #B5852F #2FB542

split-complementary

#2F5FB5 #B5422F #A2B52F

monochromatic

#162C54 #224684 #2F5FB5 #507ED1 #80A2DE

Accessibility & contrast

On white

6.13

#2F5FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2F5FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FB5

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FB5	#FFFFFF	#000000	##FFFFFF
##2F5FB5	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#0C5CB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2f5fb5;
/* rgb */ color: rgb(47, 95, 181);
/* oklch */ color: oklch(50.0% 0.146 261.0);

Tailwind

colors: {
  custom: {
    50: '#7a8bcc',
    500: '#2f5fb5',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fb5;
$custom-light: #7a8bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fb5",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 218.507,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4995,
    "c": 0.14627,
    "h": 261
  },
  "luminance": 0.12125
}

Semantic roles & 50–950 ramp

primary

#2F5FB5

secondary

#C7AB79

accent

#AA46E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F5FB5

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

Preview Lab → · Contrast checker → · Palette generator →