#2B5CB5#2B5CB5

#2B5CB5 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.151 H 261.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CB5
RGB	rgb(43, 92, 181)
HSL	hsl(219, 62%, 44%)
HSV	hsv(219, 76%, 71%)
CMYK	cmyk(76.2%, 49.2%, 0%, 29%)
CIE-LAB	lab(40.41, 15.51, -51.97)
CIE-LCH	lch(40.41, 54.23, 286.62°)
OKLab	oklab(49.15% -0.0232 -0.1493)
OKLCH	oklch(49.15% 0.151 261.2)
XYZ	xyz(13.1609, 11.5026, 45.2337)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CB5 #B5842B

analogous

#2BA1B5 #2B5CB5 #3F2BB5

triadic

#2B5CB5 #B52B5C #5CB52B

tetradic

#2B5CB5 #B52BA1 #B5842B #2BB53F

square

#2B5CB5 #B52BA1 #B5842B #2BB53F

split-complementary

#2B5CB5 #B53F2B #A1B52B

monochromatic

#142A52 #1F4384 #2B5CB5 #497BD4 #7B9FE0

Accessibility & contrast

On white

6.36

#2B5CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2B5CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CB5

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CB5	#FFFFFF	#000000	##FFFFFF
##2B5CB5	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2866B8

Deuteranopia (green-blind)

#0059B3

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5cb5;
/* rgb */ color: rgb(43, 92, 181);
/* oklch */ color: oklch(49.1% 0.151 261.2);

Tailwind

colors: {
  custom: {
    50: '#7889cc',
    500: '#2b5cb5',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cb5;
$custom-light: #7889cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cb5",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 181
  },
  "hsl": {
    "h": 218.696,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.49145,
    "c": 0.15114,
    "h": 261.2
  },
  "luminance": 0.11504
}

Semantic roles & 50–950 ramp

primary

#2B5CB5

secondary

#C8AA74

accent

#AB43E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5CB5

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

Preview Lab → · Contrast checker → · Palette generator →