#2B5AB3#2B5AB3

#2B5AB3 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.6% C 0.151 H 261.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B5AB3
RGB	rgb(43, 90, 179)
HSL	hsl(219, 61%, 44%)
HSV	hsv(219, 76%, 70%)
CMYK	cmyk(76%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(39.71, 16.05, -51.92)
CIE-LCH	lch(39.71, 54.35, 287.18°)
OKLab	oklab(48.57% -0.0219 -0.1492)
OKLCH	oklch(48.57% 0.151 261.7)
XYZ	xyz(12.7862, 11.0792, 44.1037)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5AB3 #B3842B

analogous

#2B9EB3 #2B5AB3 #402BB3

triadic

#2B5AB3 #B32B5A #5AB32B

tetradic

#2B5AB3 #B32B9E #B3842B #2BB340

square

#2B5AB3 #B32B9E #B3842B #2BB340

split-complementary

#2B5AB3 #B3402B #9EB32B

monochromatic

#132850 #1F4182 #2B5AB3 #4878D3 #799DDF

Accessibility & contrast

On white

6.53

#2B5AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2B5AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5AB3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5AB3	#FFFFFF	#000000	##FFFFFF
##2B5AB3	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b5ab3;
/* rgb */ color: rgb(43, 90, 179);
/* oklch */ color: oklch(48.6% 0.151 261.7);

Tailwind

colors: {
  custom: {
    50: '#7888ca',
    500: '#2b5ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ab3;
$custom-light: #7888ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ab3",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 219.265,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48565,
    "c": 0.15084,
    "h": 261.7
  },
  "luminance": 0.11081
}

Semantic roles & 50–950 ramp

primary

#2B5AB3

secondary

#C7AA73

accent

#AD43E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5AB3

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

Preview Lab → · Contrast checker → · Palette generator →