#2B5BC9#2B5BC9

#2B5BC9 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.5% C 0.179 H 263.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BC9
RGB	rgb(43, 91, 201)
HSL	hsl(222, 65%, 48%)
HSV	hsv(222, 79%, 79%)
CMYK	cmyk(78.6%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(41.55, 23.79, -61.78)
CIE-LCH	lch(41.55, 66.20, 291.06°)
OKLab	oklab(50.46% -0.0203 -0.1782)
OKLCH	oklch(50.46% 0.179 263.5)
XYZ	xyz(15.2762, 12.2110, 56.7989)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BC9 #C9992B

analogous

#2BAAC9 #2B5BC9 #4A2BC9

triadic

#2B5BC9 #C92B5B #5BC92B

tetradic

#2B5BC9 #C92BAA #C9992B #2BC94A

square

#2B5BC9 #C92BAA #C9992B #2BC94A

split-complementary

#2B5BC9 #C94A2B #AAC92B

monochromatic

#152D64 #204497 #2B5BC9 #567FDB #89A5E6

Accessibility & contrast

On white

6.10

#2B5BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#2B5BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BC9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BC9	#FFFFFF	#000000	##FFFFFF
##2B5BC9	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)

#006ACD

Deuteranopia (green-blind)

#005BC7

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5bc9;
/* rgb */ color: rgb(43, 91, 201);
/* oklch */ color: oklch(50.5% 0.179 263.5);

Tailwind

colors: {
  custom: {
    50: '#7d88da',
    500: '#2b5bc9',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bc9;
$custom-light: #7d88da;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bc9",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 221.772,
    "s": 64.754,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50456,
    "c": 0.17936,
    "h": 263.5
  },
  "luminance": 0.12213
}

Semantic roles & 50–950 ramp

primary

#2B5BC9

secondary

#CFB780

accent

#B540E8

background

#F8F8FD

surface

#EFEFFB

border

#CACAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5BC9

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

Preview Lab → · Contrast checker → · Palette generator →