#2F50B9#2F50B9

#2F50B9 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.170 H 266.5°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#2F50B9
RGB	rgb(47, 80, 185)
HSL	hsl(226, 59%, 45%)
HSV	hsv(226, 75%, 73%)
CMYK	cmyk(74.6%, 56.8%, 0%, 27.5%)
CIE-LAB	lab(37.56, 25.39, -58.93)
CIE-LCH	lch(37.56, 64.17, 293.31°)
OKLab	oklab(47.11% -0.0103 -0.17)
OKLCH	oklch(47.11% 0.17 266.5)
XYZ	xyz(12.7948, 9.8431, 47.1151)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F50B9 #B9982F

analogous

#2F95B9 #2F50B9 #532FB9

triadic

#2F50B9 #B92F50 #50B92F

tetradic

#2F50B9 #B92F95 #B9982F #2FB953

square

#2F50B9 #B92F95 #B9982F #2FB953

split-complementary

#2F50B9 #B9532F #95B92F

monochromatic

#162657 #233B88 #2F50B9 #5271D3 #8399DF

Accessibility & contrast

On white

7.07

#2F50B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#2F50B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F50B9

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F50B9	#FFFFFF	#000000	##FFFFFF
##2F50B9	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBD

Deuteranopia (green-blind)

#0052B7

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #2f50b9;
/* rgb */ color: rgb(47, 80, 185);
/* oklch */ color: oklch(47.1% 0.170 266.5);

Tailwind

colors: {
  custom: {
    50: '#7b80cf',
    500: '#2f50b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f50b9;
$custom-light: #7b80cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f50b9",
  "rgb": {
    "r": 47,
    "g": 80,
    "b": 185
  },
  "hsl": {
    "h": 225.652,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47113,
    "c": 0.17027,
    "h": 266.5
  },
  "luminance": 0.09844
}

Semantic roles & 50–950 ramp

primary

#2F50B9

secondary

#C9B67B

accent

#BD45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F50B9

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

Preview Lab → · Contrast checker → · Palette generator →