#2B58BB#2B58BB

#2B58BB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.164 H 263.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#2B58BB
RGB	rgb(43, 88, 187)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 77%, 73%)
CMYK	cmyk(77%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(39.71, 20.42, -56.61)
CIE-LCH	lch(39.71, 60.18, 289.84°)
OKLab	oklab(48.74% -0.0194 -0.1631)
OKLCH	oklch(48.74% 0.164 263.2)
XYZ	xyz(13.4524, 11.0794, 48.4336)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B58BB #BB8E2B

analogous

#2BA0BB #2B58BB #462BBB

triadic

#2B58BB #BB2B58 #58BB2B

tetradic

#2B58BB #BB2BA0 #BB8E2B #2BBB46

square

#2B58BB #BB2BA0 #BB8E2B #2BBB46

split-complementary

#2B58BB #BB462B #A0BB2B

monochromatic

#142957 #204189 #2B58BB #4D78D6 #7F9EE2

Accessibility & contrast

On white

6.53

#2B58BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#2B58BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B58BB

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B58BB	#FFFFFF	#000000	##FFFFFF
##2B58BB	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F65BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b58bb;
/* rgb */ color: rgb(43, 88, 187);
/* oklch */ color: oklch(48.7% 0.164 263.2);

Tailwind

colors: {
  custom: {
    50: '#7a86d0',
    500: '#2b58bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b58bb;
$custom-light: #7a86d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b58bb",
  "rgb": {
    "r": 43,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 221.25,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48743,
    "c": 0.16423,
    "h": 263.2
  },
  "luminance": 0.11081
}

Semantic roles & 50–950 ramp

primary

#2B58BB

secondary

#CAB078

accent

#B342E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B58BB

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

Preview Lab → · Contrast checker → · Palette generator →