#2B5BCB#2B5BCB

#2B5BCB is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.6% C 0.182 H 263.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B5BCB
RGB	rgb(43, 91, 203)
HSL	hsl(222, 65%, 48%)
HSV	hsv(222, 79%, 80%)
CMYK	cmyk(78.8%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(41.70, 24.55, -62.69)
CIE-LCH	lch(41.70, 67.33, 291.39°)
OKLab	oklab(50.62% -0.0201 -0.1809)
OKLCH	oklch(50.62% 0.182 263.7)
XYZ	xyz(15.5130, 12.3057, 58.0460)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5BCB #CB9B2B

analogous

#2BABCB #2B5BCB #4B2BCB

triadic

#2B5BCB #CB2B5B #5BCB2B

tetradic

#2B5BCB #CB2BAB #CB9B2B #2BCB4B

square

#2B5BCB #CB2BAB #CB9B2B #2BCB4B

split-complementary

#2B5BCB #CB4B2B #ABCB2B

monochromatic

#162E66 #204498 #2B5BCB #587FDC #8AA6E6

Accessibility & contrast

On white

6.07

#2B5BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#2B5BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5BCB

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5BCB	#FFFFFF	#000000	##FFFFFF
##2B5BCB	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005BC9

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5bcb;
/* rgb */ color: rgb(43, 91, 203);
/* oklch */ color: oklch(50.6% 0.182 263.7);

Tailwind

colors: {
  custom: {
    50: '#7d88dc',
    500: '#2b5bcb',
    950: '#000000',
  },
}

SCSS

$custom: #2b5bcb;
$custom-light: #7d88dc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5bcb",
  "rgb": {
    "r": 43,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 222,
    "s": 65.041,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50615,
    "c": 0.18202,
    "h": 263.7
  },
  "luminance": 0.12308
}

Semantic roles & 50–950 ramp

primary

#2B5BCB

secondary

#D0B982

accent

#B640E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5BCB

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

Preview Lab → · Contrast checker → · Palette generator →