#2B5BB7#2B5BB7

#2B5BB7 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.155 H 261.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BB7
RGB	rgb(43, 91, 183)
HSL	hsl(219, 62%, 44%)
HSV	hsv(219, 77%, 72%)
CMYK	cmyk(76.5%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(40.27, 16.93, -53.38)
CIE-LCH	lch(40.27, 56.00, 287.60°)
OKLab	oklab(49.08% -0.0222 -0.1535)
OKLCH	oklch(49.08% 0.155 261.8)
XYZ	xyz(13.2815, 11.4132, 46.2935)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BB7 #B7872B

analogous

#2BA1B7 #2B5BB7 #412BB7

triadic

#2B5BB7 #B72B5B #5BB72B

tetradic

#2B5BB7 #B72BA1 #B7872B #2BB741

square

#2B5BB7 #B72BA1 #B7872B #2BB741

split-complementary

#2B5BB7 #B7412B #A1B72B

monochromatic

#142A54 #1F4285 #2B5BB7 #4B7AD5 #7C9EE0

Accessibility & contrast

On white

6.40

#2B5BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2B5BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BB7

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BB7	#FFFFFF	#000000	##FFFFFF
##2B5BB7	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2366BA

Deuteranopia (green-blind)

#0059B5

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5bb7;
/* rgb */ color: rgb(43, 91, 183);
/* oklch */ color: oklch(49.1% 0.155 261.8);

Tailwind

colors: {
  custom: {
    50: '#7988cd',
    500: '#2b5bb7',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bb7;
$custom-light: #7988cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bb7",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 219.429,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.49076,
    "c": 0.15509,
    "h": 261.8
  },
  "luminance": 0.11415
}

Semantic roles & 50–950 ramp

primary

#2B5BB7

secondary

#C9AC75

accent

#AD43E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5BB7

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

Preview Lab → · Contrast checker → · Palette generator →