#2F5DBB#2F5DBB

#2F5DBB is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.157 H 262.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DBB
RGB	rgb(47, 93, 187)
HSL	hsl(220, 60%, 46%)
HSV	hsv(220, 75%, 73%)
CMYK	cmyk(74.9%, 50.3%, 0%, 26.7%)
CIE-LAB	lab(41.25, 17.64, -54.13)
CIE-LCH	lch(41.25, 56.93, 288.05°)
OKLab	oklab(49.95% -0.0203 -0.1556)
OKLCH	oklch(49.95% 0.157 262.6)
XYZ	xyz(14.0531, 12.0193, 48.5834)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DBB #BB8D2F

analogous

#2FA3BB #2F5DBB #472FBB

triadic

#2F5DBB #BB2F5D #5DBB2F

tetradic

#2F5DBB #BB2FA3 #BB8D2F #2FBB47

square

#2F5DBB #BB2FA3 #BB8D2F #2FBB47

split-complementary

#2F5DBB #BB472F #A3BB2F

monochromatic

#162C59 #23458A #2F5DBB #537ED4 #84A2E0

Accessibility & contrast

On white

6.17

#2F5DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#2F5DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DBB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DBB	#FFFFFF	#000000	##FFFFFF
##2F5DBB	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2468BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2f5dbb;
/* rgb */ color: rgb(47, 93, 187);
/* oklch */ color: oklch(50.0% 0.157 262.6);

Tailwind

colors: {
  custom: {
    50: '#7b8ad0',
    500: '#2f5dbb',
    950: '#000000',
  },
}

SCSS

$custom: #2f5dbb;
$custom-light: #7b8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5dbb",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 187
  },
  "hsl": {
    "h": 220.286,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.49952,
    "c": 0.15693,
    "h": 262.6
  },
  "luminance": 0.12021
}

Semantic roles & 50–950 ramp

primary

#2F5DBB

secondary

#C9B07C

accent

#AF45E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2F5DBB

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

Preview Lab → · Contrast checker → · Palette generator →