#2B5DBB#2B5DBB

#2B5DBB is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.158 H 261.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2B5DBB
RGB	rgb(43, 93, 187)
HSL	hsl(219, 63%, 45%)
HSV	hsv(219, 77%, 73%)
CMYK	cmyk(77%, 50.3%, 0%, 26.7%)
CIE-LAB	lab(41.10, 17.15, -54.37)
CIE-LCH	lch(41.10, 57.01, 287.51°)
OKLab	oklab(49.8% -0.0232 -0.1564)
OKLCH	oklch(49.8% 0.158 261.6)
XYZ	xyz(13.8770, 11.9286, 48.5751)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5DBB #BB892B

analogous

#2BA5BB #2B5DBB #412BBB

triadic

#2B5DBB #BB2B5D #5DBB2B

tetradic

#2B5DBB #BB2BA5 #BB892B #2BBB41

square

#2B5DBB #BB2BA5 #BB892B #2BBB41

split-complementary

#2B5DBB #BB412B #A5BB2B

monochromatic

#142C57 #204489 #2B5DBB #4D7DD6 #7FA1E2

Accessibility & contrast

On white

6.20

#2B5DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#2B5DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5DBB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5DBB	#FFFFFF	#000000	##FFFFFF
##2B5DBB	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2368BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2b5dbb;
/* rgb */ color: rgb(43, 93, 187);
/* oklch */ color: oklch(49.8% 0.158 261.6);

Tailwind

colors: {
  custom: {
    50: '#7a8ad0',
    500: '#2b5dbb',
    950: '#000000',
  },
}

SCSS

$custom: #2b5dbb;
$custom-light: #7a8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5dbb",
  "rgb": {
    "r": 43,
    "g": 93,
    "b": 187
  },
  "hsl": {
    "h": 219.167,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49801,
    "c": 0.15809,
    "h": 261.6
  },
  "luminance": 0.1193
}

Semantic roles & 50–950 ramp

primary

#2B5DBB

secondary

#CAAE78

accent

#AD42E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5DBB

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

Preview Lab → · Contrast checker → · Palette generator →