#2B5FAB#2B5FAB

#2B5FAB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.1% C 0.134 H 258.1°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B5FAB
RGB	rgb(43, 95, 171)
HSL	hsl(216, 60%, 42%)
HSV	hsv(216, 75%, 67%)
CMYK	cmyk(74.9%, 44.4%, 0%, 32.9%)
CIE-LAB	lab(40.63, 9.73, -45.73)
CIE-LCH	lch(40.63, 46.75, 282.01°)
OKLab	oklab(49.11% -0.0275 -0.1309)
OKLCH	oklch(49.11% 0.134 258.1)
XYZ	xyz(12.4365, 11.6369, 40.1109)
Luminance	0.1164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5FAB #AB772B

analogous

#2B9FAB #2B5FAB #372BAB

triadic

#2B5FAB #AB2B5F #5FAB2B

tetradic

#2B5FAB #AB2B9F #AB772B #2BAB37

square

#2B5FAB #AB2B9F #AB772B #2BAB37

split-complementary

#2B5FAB #AB372B #9FAB2B

monochromatic

#122949 #1F447A #2B5FAB #437CD0 #749EDC

Accessibility & contrast

On white

6.31

#2B5FAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2B5FAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5FAB

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5FAB	#FFFFFF	#000000	##FFFFFF
##2B5FAB	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3966AE

Deuteranopia (green-blind)

#205AA9

Tritanopia (blue-blind)

#00717C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5fab;
/* rgb */ color: rgb(43, 95, 171);
/* oklch */ color: oklch(49.1% 0.134 258.1);

Tailwind

colors: {
  custom: {
    50: '#768bc4',
    500: '#2b5fab',
    950: '#000000',
  },
}

SCSS

$custom: #2b5fab;
$custom-light: #768bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5fab",
  "rgb": {
    "r": 43,
    "g": 95,
    "b": 171
  },
  "hsl": {
    "h": 215.625,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49106,
    "c": 0.13379,
    "h": 258.1
  },
  "luminance": 0.11638
}

Semantic roles & 50–950 ramp

primary

#2B5FAB

secondary

#C4A16E

accent

#A345E3

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B5FAB

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

Preview Lab → · Contrast checker → · Palette generator →