#2F50B8#2F50B8

#2F50B8 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.169 H 266.5°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B8
RGB	rgb(47, 80, 184)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 74%, 72%)
CMYK	cmyk(74.5%, 56.5%, 0%, 27.8%)
CIE-LAB	lab(37.48, 25.02, -58.47)
CIE-LCH	lch(37.48, 63.59, 293.17°)
OKLab	oklab(47.03% -0.0104 -0.1686)
OKLCH	oklch(47.03% 0.169 266.5)
XYZ	xyz(12.6897, 9.8010, 46.5611)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B8 #B8972F

analogous

#2F95B8 #2F50B8 #522FB8

triadic

#2F50B8 #B82F50 #50B82F

tetradic

#2F50B8 #B82F95 #B8972F #2FB852

square

#2F50B8 #B82F95 #B8972F #2FB852

split-complementary

#2F50B8 #B8522F #95B82F

monochromatic

#162657 #233B87 #2F50B8 #5271D3 #8299DF

Accessibility & contrast

On white

7.09

#2F50B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#2F50B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B8

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B8	#FFFFFF	#000000	##FFFFFF
##2F50B8	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0052B6

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f50b8;
/* rgb */ color: rgb(47, 80, 184);
/* oklch */ color: oklch(47.0% 0.169 266.5);

Tailwind

colors: {
  custom: {
    50: '#7b80ce',
    500: '#2f50b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b8;
$custom-light: #7b80ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b8",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 184
  },
  "hsl": {
    "h": 225.547,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47032,
    "c": 0.16892,
    "h": 266.5
  },
  "luminance": 0.09802
}

Semantic roles & 50–950 ramp

primary

#2F50B8

secondary

#C8B67B

accent

#BD45E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F50B8

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

Preview Lab → · Contrast checker → · Palette generator →