#2F5AB5#2F5AB5

#2F5AB5 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.9% C 0.152 H 263.0°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2F5AB5
RGB	rgb(47, 90, 181)
HSL	hsl(221, 59%, 45%)
HSV	hsv(221, 74%, 71%)
CMYK	cmyk(74%, 50.3%, 0%, 29%)
CIE-LAB	lab(40.00, 17.32, -52.63)
CIE-LCH	lch(40.00, 55.40, 288.22°)
OKLab	oklab(48.87% -0.0186 -0.1512)
OKLCH	oklch(48.87% 0.152 263)
XYZ	xyz(13.1660, 11.2514, 45.1850)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5AB5 #B58A2F

analogous

#2F9DB5 #2F5AB5 #472FB5

triadic

#2F5AB5 #B52F5A #5AB52F

tetradic

#2F5AB5 #B52F9D #B58A2F #2FB547

square

#2F5AB5 #B52F9D #B58A2F #2FB547

split-complementary

#2F5AB5 #B5472F #9DB52F

monochromatic

#162A54 #224284 #2F5AB5 #5079D1 #809EDE

Accessibility & contrast

On white

6.46

#2F5AB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2F5AB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5AB5

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5AB5	#FFFFFF	#000000	##FFFFFF
##2F5AB5	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2465B8

Deuteranopia (green-blind)

#0058B3

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2f5ab5;
/* rgb */ color: rgb(47, 90, 181);
/* oklch */ color: oklch(48.9% 0.152 263.0);

Tailwind

colors: {
  custom: {
    50: '#7a88cc',
    500: '#2f5ab5',
    950: '#000000',
  },
}

SCSS

$custom: #2f5ab5;
$custom-light: #7a88cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5ab5",
  "rgb": {
    "r": 47,
    "g": 90,
    "b": 181
  },
  "hsl": {
    "h": 220.746,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4887,
    "c": 0.15239,
    "h": 263
  },
  "luminance": 0.11253
}

Semantic roles & 50–950 ramp

primary

#2F5AB5

secondary

#C7AE79

accent

#B046E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2F5AB5

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

Preview Lab → · Contrast checker → · Palette generator →