#2B5AB2#2B5AB2

#2B5AB2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.149 H 261.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B5AB2
RGB	rgb(43, 90, 178)
HSL	hsl(219, 61%, 43%)
HSV	hsv(219, 76%, 70%)
CMYK	cmyk(75.8%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(39.65, 15.67, -51.44)
CIE-LCH	lch(39.65, 53.78, 286.94°)
OKLab	oklab(48.49% -0.022 -0.1478)
OKLCH	oklch(48.49% 0.149 261.5)
XYZ	xyz(12.6854, 11.0388, 43.5730)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5AB2 #B2832B

analogous

#2B9DB2 #2B5AB2 #3F2BB2

triadic

#2B5AB2 #B22B5A #5AB22B

tetradic

#2B5AB2 #B22B9D #B2832B #2BB23F

square

#2B5AB2 #B22B9D #B2832B #2BB23F

split-complementary

#2B5AB2 #B23F2B #9DB22B

monochromatic

#13284F #1F4181 #2B5AB2 #4878D3 #799CDF

Accessibility & contrast

On white

6.55

#2B5AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#2B5AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5AB2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5AB2	#FFFFFF	#000000	##FFFFFF
##2B5AB2	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2764B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b5ab2;
/* rgb */ color: rgb(43, 90, 178);
/* oklch */ color: oklch(48.5% 0.149 261.5);

Tailwind

colors: {
  custom: {
    50: '#7888ca',
    500: '#2b5ab2',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ab2;
$custom-light: #7888ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ab2",
  "rgb": {
    "r": 43,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 219.111,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48492,
    "c": 0.14946,
    "h": 261.5
  },
  "luminance": 0.1104
}

Semantic roles & 50–950 ramp

primary

#2B5AB2

secondary

#C7A972

accent

#AC44E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5AB2

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

Preview Lab → · Contrast checker → · Palette generator →