#2B5DAD#2B5DAD

#2B5DAD is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.139 H 259.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DAD
RGB	rgb(43, 93, 173)
HSL	hsl(217, 60%, 42%)
HSV	hsv(217, 75%, 68%)
CMYK	cmyk(75.1%, 46.2%, 0%, 32.2%)
CIE-LAB	lab(40.18, 11.79, -47.64)
CIE-LCH	lch(40.18, 49.08, 283.90°)
OKLab	oklab(48.79% -0.0254 -0.1366)
OKLCH	oklch(48.79% 0.139 259.5)
XYZ	xyz(12.4507, 11.3580, 41.0632)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DAD #AD7B2B

analogous

#2B9EAD #2B5DAD #3A2BAD

triadic

#2B5DAD #AD2B5D #5DAD2B

tetradic

#2B5DAD #AD2B9E #AD7B2B #2BAD3A

square

#2B5DAD #AD2B9E #AD7B2B #2BAD3A

split-complementary

#2B5DAD #AD3A2B #9EAD2B

monochromatic

#13284B #1F437C #2B5DAD #457AD1 #769DDD

Accessibility & contrast

On white

6.42

#2B5DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2B5DAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DAD

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DAD	#FFFFFF	#000000	##FFFFFF
##2B5DAD	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3365B0

Deuteranopia (green-blind)

#1659AB

Tritanopia (blue-blind)

#00707C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5dad;
/* rgb */ color: rgb(43, 93, 173);
/* oklch */ color: oklch(48.8% 0.139 259.5);

Tailwind

colors: {
  custom: {
    50: '#768ac6',
    500: '#2b5dad',
    950: '#000000',
  },
}

SCSS

$custom: #2b5dad;
$custom-light: #768ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5dad",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 173
  },
  "hsl": {
    "h": 216.923,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48794,
    "c": 0.13893,
    "h": 259.5
  },
  "luminance": 0.11359
}

Semantic roles & 50–950 ramp

primary

#2B5DAD

secondary

#C4A46F

accent

#A644E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5DAD

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

Preview Lab → · Contrast checker → · Palette generator →