#2B59B9#2B59B9

#2B59B9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.160 H 262.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B59B9
RGB	rgb(43, 89, 185)
HSL	hsl(221, 62%, 45%)
HSV	hsv(221, 77%, 73%)
CMYK	cmyk(76.8%, 51.9%, 0%, 27.5%)
CIE-LAB	lab(39.85, 19.00, -55.23)
CIE-LCH	lch(39.85, 58.40, 288.99°)
OKLab	oklab(48.8% -0.0203 -0.159)
OKLCH	oklch(48.8% 0.16 262.7)
XYZ	xyz(13.3225, 11.1596, 47.3414)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59B9 #B98B2B

analogous

#2BA0B9 #2B59B9 #442BB9

triadic

#2B59B9 #B92B59 #59B92B

tetradic

#2B59B9 #B92BA0 #B98B2B #2BB944

square

#2B59B9 #B92BA0 #B98B2B #2BB944

split-complementary

#2B59B9 #B9442B #A0B92B

monochromatic

#142956 #1F4187 #2B59B9 #4C78D5 #7E9EE1

Accessibility & contrast

On white

6.50

#2B59B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#2B59B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59B9

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59B9	#FFFFFF	#000000	##FFFFFF
##2B59B9	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1965BC

Deuteranopia (green-blind)

#0058B7

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b59b9;
/* rgb */ color: rgb(43, 89, 185);
/* oklch */ color: oklch(48.8% 0.160 262.7);

Tailwind

colors: {
  custom: {
    50: '#7987cf',
    500: '#2b59b9',
    950: '#000000',
  },
}

SCSS

$custom: #2b59b9;
$custom-light: #7987cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59b9",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 185
  },
  "hsl": {
    "h": 220.563,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.488,
    "c": 0.16028,
    "h": 262.7
  },
  "luminance": 0.11161
}

Semantic roles & 50–950 ramp

primary

#2B59B9

secondary

#C9AE76

accent

#B142E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B59B9

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

Preview Lab → · Contrast checker → · Palette generator →