#2F5FB8#2F5FB8

#2F5FB8 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.150 H 261.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FB8
RGB	rgb(47, 95, 184)
HSL	hsl(219, 59%, 45%)
HSV	hsv(219, 74%, 72%)
CMYK	cmyk(74.5%, 48.4%, 0%, 27.8%)
CIE-LAB	lab(41.61, 15.20, -51.79)
CIE-LCH	lch(41.61, 53.98, 286.36°)
OKLab	oklab(50.16% -0.0224 -0.1487)
OKLCH	oklch(50.16% 0.15 261.4)
XYZ	xyz(13.9131, 12.2479, 46.9689)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FB8 #B8882F

analogous

#2FA3B8 #2F5FB8 #432FB8

triadic

#2F5FB8 #B82F5F #5FB82F

tetradic

#2F5FB8 #B82FA3 #B8882F #2FB843

square

#2F5FB8 #B82FA3 #B8882F #2FB843

split-complementary

#2F5FB8 #B8432F #A3B82F

monochromatic

#162D57 #234687 #2F5FB8 #527FD3 #82A3DF

Accessibility & contrast

On white

6.09

#2F5FB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#2F5FB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FB8

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FB8	#FFFFFF	#000000	##FFFFFF
##2F5FB8	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D69BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2f5fb8;
/* rgb */ color: rgb(47, 95, 184);
/* oklch */ color: oklch(50.2% 0.150 261.4);

Tailwind

colors: {
  custom: {
    50: '#7a8bce',
    500: '#2f5fb8',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fb8;
$custom-light: #7a8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fb8",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 184
  },
  "hsl": {
    "h": 218.978,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50163,
    "c": 0.15039,
    "h": 261.4
  },
  "luminance": 0.12249
}

Semantic roles & 50–950 ramp

primary

#2F5FB8

secondary

#C8AD7B

accent

#AB45E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F5FB8

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

Preview Lab → · Contrast checker → · Palette generator →