#2B5BB3#2B5BB3

#2B5BB3 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.8% C 0.150 H 261.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BB3
RGB	rgb(43, 91, 179)
HSL	hsl(219, 61%, 44%)
HSV	hsv(219, 76%, 70%)
CMYK	cmyk(76%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(40.00, 15.40, -51.47)
CIE-LCH	lch(40.00, 53.72, 286.65°)
OKLab	oklab(48.78% -0.0227 -0.1479)
OKLCH	oklch(48.78% 0.15 261.3)
XYZ	xyz(12.8711, 11.2490, 44.1320)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BB3 #B3832B

analogous

#2B9FB3 #2B5BB3 #3F2BB3

triadic

#2B5BB3 #B32B5B #5BB32B

tetradic

#2B5BB3 #B32B9F #B3832B #2BB33F

square

#2B5BB3 #B32B9F #B3832B #2BB33F

split-complementary

#2B5BB3 #B33F2B #9FB32B

monochromatic

#132950 #1F4282 #2B5BB3 #4879D3 #799DDF

Accessibility & contrast

On white

6.46

#2B5BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#2B5BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BB3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BB3	#FFFFFF	#000000	##FFFFFF
##2B5BB3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2865B6

Deuteranopia (green-blind)

#0058B1

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b5bb3;
/* rgb */ color: rgb(43, 91, 179);
/* oklch */ color: oklch(48.8% 0.150 261.3);

Tailwind

colors: {
  custom: {
    50: '#7888ca',
    500: '#2b5bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bb3;
$custom-light: #7888ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bb3",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 218.824,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48782,
    "c": 0.14961,
    "h": 261.3
  },
  "luminance": 0.1125
}

Semantic roles & 50–950 ramp

primary

#2B5BB3

secondary

#C7A973

accent

#AC43E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5BB3

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

Preview Lab → · Contrast checker → · Palette generator →