#2B5FB5#2B5FB5

#2B5FB5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.147 H 260.0°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB5
RGB	rgb(43, 95, 181)
HSL	hsl(217, 62%, 44%)
HSV	hsv(217, 76%, 71%)
CMYK	cmyk(76.2%, 47.5%, 0%, 29%)
CIE-LAB	lab(41.27, 13.55, -50.59)
CIE-LCH	lch(41.27, 52.38, 285.00°)
OKLab	oklab(49.8% -0.0257 -0.1452)
OKLCH	oklch(49.8% 0.147 260)
XYZ	xyz(13.4259, 12.0327, 45.3221)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB5 #B5812B

analogous

#2BA4B5 #2B5FB5 #3C2BB5

triadic

#2B5FB5 #B52B5F #5FB52B

tetradic

#2B5FB5 #B52BA4 #B5812B #2BB53C

square

#2B5FB5 #B52BA4 #B5812B #2BB53C

split-complementary

#2B5FB5 #B53C2B #A4B52B

monochromatic

#142B52 #1F4584 #2B5FB5 #497ED4 #7BA1E0

Accessibility & contrast

On white

6.16

#2B5FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#2B5FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB5	#FFFFFF	#000000	##FFFFFF
##2B5FB5	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B8

Deuteranopia (green-blind)

#075BB3

Tritanopia (blue-blind)

#007381

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5fb5;
/* rgb */ color: rgb(43, 95, 181);
/* oklch */ color: oklch(49.8% 0.147 260.0);

Tailwind

colors: {
  custom: {
    50: '#788bcc',
    500: '#2b5fb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb5;
$custom-light: #788bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb5",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 217.391,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.498,
    "c": 0.14749,
    "h": 260
  },
  "luminance": 0.12034
}

Semantic roles & 50–950 ramp

primary

#2B5FB5

secondary

#C8A874

accent

#A843E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FB5

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

Preview Lab → · Contrast checker → · Palette generator →