#2B5FB7#2B5FB7

#2B5FB7 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.150 H 260.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB7
RGB	rgb(43, 95, 183)
HSL	hsl(218, 62%, 44%)
HSV	hsv(218, 77%, 72%)
CMYK	cmyk(76.5%, 48.1%, 0%, 28.2%)
CIE-LAB	lab(41.40, 14.32, -51.55)
CIE-LCH	lch(41.40, 53.50, 285.52°)
OKLab	oklab(49.94% -0.0254 -0.1481)
OKLCH	oklch(49.94% 0.15 260.3)
XYZ	xyz(13.6326, 12.1154, 46.4106)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB7 #B7832B

analogous

#2BA5B7 #2B5FB7 #3D2BB7

triadic

#2B5FB7 #B72B5F #5FB72B

tetradic

#2B5FB7 #B72BA5 #B7832B #2BB73D

square

#2B5FB7 #B72BA5 #B7832B #2BB73D

split-complementary

#2B5FB7 #B73D2B #A5B72B

monochromatic

#142C54 #1F4585 #2B5FB7 #4B7ED5 #7CA1E0

Accessibility & contrast

On white

6.13

#2B5FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#2B5FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB7

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB7	#FFFFFF	#000000	##FFFFFF
##2B5FB7	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E68BA

Deuteranopia (green-blind)

#005CB5

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5fb7;
/* rgb */ color: rgb(43, 95, 183);
/* oklch */ color: oklch(49.9% 0.150 260.3);

Tailwind

colors: {
  custom: {
    50: '#798bcd',
    500: '#2b5fb7',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb7;
$custom-light: #798bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb7",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 183
  },
  "hsl": {
    "h": 217.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49942,
    "c": 0.15022,
    "h": 260.3
  },
  "luminance": 0.12117
}

Semantic roles & 50–950 ramp

primary

#2B5FB7

secondary

#C9AA75

accent

#A943E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FB7

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

Preview Lab → · Contrast checker → · Palette generator →