#2B5BB9#2B5BB9

#2B5BB9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.2% C 0.158 H 262.0°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BB9
RGB	rgb(43, 91, 185)
HSL	hsl(220, 62%, 45%)
HSV	hsv(220, 77%, 73%)
CMYK	cmyk(76.8%, 50.8%, 0%, 27.5%)
CIE-LAB	lab(40.41, 17.69, -54.33)
CIE-LCH	lch(40.41, 57.13, 288.04°)
OKLab	oklab(49.23% -0.0219 -0.1563)
OKLCH	oklch(49.23% 0.158 262)
XYZ	xyz(13.4912, 11.4970, 47.3976)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BB9 #B9892B

analogous

#2BA2B9 #2B5BB9 #422BB9

triadic

#2B5BB9 #B92B5B #5BB92B

tetradic

#2B5BB9 #B92BA2 #B9892B #2BB942

square

#2B5BB9 #B92BA2 #B9892B #2BB942

split-complementary

#2B5BB9 #B9422B #A2B92B

monochromatic

#142A56 #1F4387 #2B5BB9 #4C7AD5 #7E9FE1

Accessibility & contrast

On white

6.36

#2B5BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2B5BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BB9

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BB9	#FFFFFF	#000000	##FFFFFF
##2B5BB9	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2066BC

Deuteranopia (green-blind)

#0059B7

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5bb9;
/* rgb */ color: rgb(43, 91, 185);
/* oklch */ color: oklch(49.2% 0.158 262.0);

Tailwind

colors: {
  custom: {
    50: '#7988cf',
    500: '#2b5bb9',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bb9;
$custom-light: #7988cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bb9",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 185
  },
  "hsl": {
    "h": 219.718,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49225,
    "c": 0.15782,
    "h": 262
  },
  "luminance": 0.11499
}

Semantic roles & 50–950 ramp

primary

#2B5BB9

secondary

#C9AD76

accent

#AE42E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B5BB9

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

Preview Lab → · Contrast checker → · Palette generator →