#2B5BBA#2B5BBA

#2B5BBA is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.159 H 262.1°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BBA
RGB	rgb(43, 91, 186)
HSL	hsl(220, 62%, 45%)
HSV	hsv(220, 77%, 73%)
CMYK	cmyk(76.9%, 51.1%, 0%, 27.1%)
CIE-LAB	lab(40.47, 18.08, -54.80)
CIE-LCH	lch(40.47, 57.70, 288.26°)
OKLab	oklab(49.3% -0.0218 -0.1577)
OKLCH	oklch(49.3% 0.159 262.1)
XYZ	xyz(13.5971, 11.5394, 47.9556)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BBA #BA8A2B

analogous

#2BA3BA #2B5BBA #432BBA

triadic

#2B5BBA #BA2B5B #5BBA2B

tetradic

#2B5BBA #BA2BA3 #BA8A2B #2BBA43

square

#2B5BBA #BA2BA3 #BA8A2B #2BBA43

split-complementary

#2B5BBA #BA432B #A3BA2B

monochromatic

#142A57 #204388 #2B5BBA #4C7BD6 #7E9FE1

Accessibility & contrast

On white

6.35

#2B5BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#2B5BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BBA

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BBA	#FFFFFF	#000000	##FFFFFF
##2B5BBA	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E66BD

Deuteranopia (green-blind)

#0059B8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5bba;
/* rgb */ color: rgb(43, 91, 186);
/* oklch */ color: oklch(49.3% 0.159 262.1);

Tailwind

colors: {
  custom: {
    50: '#7988cf',
    500: '#2b5bba',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bba;
$custom-light: #7988cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bba",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 219.86,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.493,
    "c": 0.15919,
    "h": 262.1
  },
  "luminance": 0.11541
}

Semantic roles & 50–950 ramp

primary

#2B5BBA

secondary

#CAAE77

accent

#AF42E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5BBA

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

Preview Lab → · Contrast checker → · Palette generator →