#2B5FB9#2B5FB9

#2B5FB9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.1% C 0.153 H 260.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FB9
RGB	rgb(43, 95, 185)
HSL	hsl(218, 62%, 45%)
HSV	hsv(218, 77%, 73%)
CMYK	cmyk(76.8%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(41.53, 15.08, -52.51)
CIE-LCH	lch(41.53, 54.63, 286.03°)
OKLab	oklab(50.09% -0.0251 -0.1509)
OKLCH	oklch(50.09% 0.153 260.6)
XYZ	xyz(13.8423, 12.1992, 47.5147)
Luminance	0.1220 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FB9 #B9852B

analogous

#2BA6B9 #2B5FB9 #3E2BB9

triadic

#2B5FB9 #B92B5F #5FB92B

tetradic

#2B5FB9 #B92BA6 #B9852B #2BB93E

square

#2B5FB9 #B92BA6 #B9852B #2BB93E

split-complementary

#2B5FB9 #B93E2B #A6B92B

monochromatic

#142C56 #1F4687 #2B5FB9 #4C7ED5 #7EA2E1

Accessibility & contrast

On white

6.10

#2B5FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#2B5FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FB9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FB9	#FFFFFF	#000000	##FFFFFF
##2B5FB9	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BC

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5fb9;
/* rgb */ color: rgb(43, 95, 185);
/* oklch */ color: oklch(50.1% 0.153 260.6);

Tailwind

colors: {
  custom: {
    50: '#798bcf',
    500: '#2b5fb9',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fb9;
$custom-light: #798bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fb9",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 218.028,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50086,
    "c": 0.15294,
    "h": 260.6
  },
  "luminance": 0.12201
}

Semantic roles & 50–950 ramp

primary

#2B5FB9

secondary

#C9AB76

accent

#AA42E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2B5FB9

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

Preview Lab → · Contrast checker → · Palette generator →