#2F5BBB#2F5BBB

#2F5BBB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.159 H 263.3°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BBB
RGB	rgb(47, 91, 187)
HSL	hsl(221, 60%, 46%)
HSV	hsv(221, 75%, 73%)
CMYK	cmyk(74.9%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(40.69, 18.94, -55.02)
CIE-LCH	lch(40.69, 58.19, 289.00°)
OKLab	oklab(49.53% -0.0187 -0.1583)
OKLCH	oklch(49.53% 0.159 263.3)
XYZ	xyz(13.8798, 11.6728, 48.5256)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BBB #BB8F2F

analogous

#2FA1BB #2F5BBB #492FBB

triadic

#2F5BBB #BB2F5B #5BBB2F

tetradic

#2F5BBB #BB2FA1 #BB8F2F #2FBB49

square

#2F5BBB #BB2FA1 #BB8F2F #2FBB49

split-complementary

#2F5BBB #BB492F #A1BB2F

monochromatic

#162B59 #23438A #2F5BBB #537CD4 #84A1E0

Accessibility & contrast

On white

6.30

#2F5BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2F5BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BBB

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BBB	#FFFFFF	#000000	##FFFFFF
##2F5BBB	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BE

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2f5bbb;
/* rgb */ color: rgb(47, 91, 187);
/* oklch */ color: oklch(49.5% 0.159 263.3);

Tailwind

colors: {
  custom: {
    50: '#7b88d0',
    500: '#2f5bbb',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bbb;
$custom-light: #7b88d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bbb",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 221.143,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.49528,
    "c": 0.15939,
    "h": 263.3
  },
  "luminance": 0.11674
}

Semantic roles & 50–950 ramp

primary

#2F5BBB

secondary

#C9B17C

accent

#B145E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5BBB

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

Preview Lab → · Contrast checker → · Palette generator →