#2B5AC9#2B5AC9

#2B5AC9 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.181 H 263.8°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B5AC9
RGB	rgb(43, 90, 201)
HSL	hsl(222, 65%, 48%)
HSV	hsv(222, 79%, 79%)
CMYK	cmyk(78.6%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(41.28, 24.44, -62.21)
CIE-LCH	lch(41.28, 66.84, 291.45°)
OKLab	oklab(50.25% -0.0196 -0.1795)
OKLCH	oklch(50.25% 0.181 263.8)
XYZ	xyz(15.1913, 12.0412, 56.7706)
Luminance	0.1204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5AC9 #C99A2B

analogous

#2BA9C9 #2B5AC9 #4B2BC9

triadic

#2B5AC9 #C92B5A #5AC92B

tetradic

#2B5AC9 #C92BA9 #C99A2B #2BC94B

square

#2B5AC9 #C92BA9 #C99A2B #2BC94B

split-complementary

#2B5AC9 #C94B2B #A9C92B

monochromatic

#152D64 #204397 #2B5AC9 #567EDB #89A4E6

Accessibility & contrast

On white

6.16

#2B5AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#2B5AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5AC9

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5AC9	#FFFFFF	#000000	##FFFFFF
##2B5AC9	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CD

Deuteranopia (green-blind)

#005AC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5ac9;
/* rgb */ color: rgb(43, 90, 201);
/* oklch */ color: oklch(50.3% 0.181 263.8);

Tailwind

colors: {
  custom: {
    50: '#7d88da',
    500: '#2b5ac9',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ac9;
$custom-light: #7d88da;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ac9",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 222.152,
    "s": 64.754,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50254,
    "c": 0.18058,
    "h": 263.8
  },
  "luminance": 0.12043
}

Semantic roles & 50–950 ramp

primary

#2B5AC9

secondary

#CFB880

accent

#B640E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5AC9

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

Preview Lab → · Contrast checker → · Palette generator →