#2F5CB3#2F5CB3

#2F5CB3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.147 H 262.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#2F5CB3
RGB	rgb(47, 92, 179)
HSL	hsl(220, 58%, 44%)
HSV	hsv(220, 74%, 70%)
CMYK	cmyk(73.7%, 48.6%, 0%, 29.8%)
CIE-LAB	lab(40.43, 15.26, -50.76)
CIE-LCH	lch(40.43, 53.00, 286.73°)
OKLab	oklab(49.16% -0.0206 -0.1457)
OKLCH	oklch(49.16% 0.147 262)
XYZ	xyz(13.1332, 11.5119, 44.1689)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5CB3 #B3862F

analogous

#2F9EB3 #2F5CB3 #442FB3

triadic

#2F5CB3 #B32F5C #5CB32F

tetradic

#2F5CB3 #B32F9E #B3862F #2FB344

square

#2F5CB3 #B32F9E #B3862F #2FB344

split-complementary

#2F5CB3 #B3442F #9EB32F

monochromatic

#162A52 #224383 #2F5CB3 #4F7BD1 #7F9FDD

Accessibility & contrast

On white

6.36

#2F5CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2F5CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5CB3

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5CB3	#FFFFFF	#000000	##FFFFFF
##2F5CB3	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#005AB1

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f5cb3;
/* rgb */ color: rgb(47, 92, 179);
/* oklch */ color: oklch(49.2% 0.147 262.0);

Tailwind

colors: {
  custom: {
    50: '#7989ca',
    500: '#2f5cb3',
    950: '#000000',
  },
}

SCSS

$custom: #2f5cb3;
$custom-light: #7989ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5cb3",
  "rgb": {
    "r": 47,
    "g": 92,
    "b": 179
  },
  "hsl": {
    "h": 219.545,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49155,
    "c": 0.14717,
    "h": 262
  },
  "luminance": 0.11513
}

Semantic roles & 50–950 ramp

primary

#2F5CB3

secondary

#C6AB78

accent

#AD46E2

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5CB3

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

Preview Lab → · Contrast checker → · Palette generator →