#2B58B8#2B58B8

#2B58B8 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.160 H 262.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#2B58B8
RGB	rgb(43, 88, 184)
HSL	hsl(221, 62%, 45%)
HSV	hsv(221, 77%, 72%)
CMYK	cmyk(76.6%, 52.2%, 0%, 27.8%)
CIE-LAB	lab(39.50, 19.28, -55.20)
CIE-LCH	lch(39.50, 58.47, 289.25°)
OKLab	oklab(48.51% -0.0197 -0.1589)
OKLCH	oklch(48.51% 0.16 262.9)
XYZ	xyz(13.1346, 10.9522, 46.7599)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B58B8 #B88B2B

analogous

#2B9FB8 #2B58B8 #442BB8

triadic

#2B58B8 #B82B58 #58B82B

tetradic

#2B58B8 #B82B9F #B88B2B #2BB844

square

#2B58B8 #B82B9F #B88B2B #2BB844

split-complementary

#2B58B8 #B8442B #9FB82B

monochromatic

#142955 #1F4086 #2B58B8 #4B77D5 #7D9DE1

Accessibility & contrast

On white

6.58

#2B58B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#2B58B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B58B8

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B58B8	#FFFFFF	#000000	##FFFFFF
##2B58B8	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1664BB

Deuteranopia (green-blind)

#0057B6

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2b58b8;
/* rgb */ color: rgb(43, 88, 184);
/* oklch */ color: oklch(48.5% 0.160 262.9);

Tailwind

colors: {
  custom: {
    50: '#7986ce',
    500: '#2b58b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b58b8;
$custom-light: #7986ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b58b8",
  "rgb": {
    "r": 43,
    "g": 88,
    "b": 184
  },
  "hsl": {
    "h": 220.851,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48513,
    "c": 0.16014,
    "h": 262.9
  },
  "luminance": 0.10954
}

Semantic roles & 50–950 ramp

primary

#2B58B8

secondary

#C9AE76

accent

#B143E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B58B8

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

Preview Lab → · Contrast checker → · Palette generator →