#2B59BD#2B59BD

#2B59BD is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.166 H 263.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B59BD
RGB	rgb(43, 89, 189)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 77%, 74%)
CMYK	cmyk(77.2%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(40.13, 20.53, -57.10)
CIE-LCH	lch(40.13, 60.68, 289.78°)
OKLab	oklab(49.11% -0.0199 -0.1645)
OKLCH	oklch(49.11% 0.166 263.1)
XYZ	xyz(13.7507, 11.3309, 49.5966)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59BD #BD8F2B

analogous

#2BA2BD #2B59BD #462BBD

triadic

#2B59BD #BD2B59 #59BD2B

tetradic

#2B59BD #BD2BA2 #BD8F2B #2BBD46

square

#2B59BD #BD2BA2 #BD8F2B #2BBD46

split-complementary

#2B59BD #BD462B #A2BD2B

monochromatic

#142A59 #20428B #2B59BD #4E79D7 #809FE2

Accessibility & contrast

On white

6.43

#2B59BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#2B59BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59BD

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59BD	#FFFFFF	#000000	##FFFFFF
##2B59BD	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E66C1

Deuteranopia (green-blind)

#0058BB

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b59bd;
/* rgb */ color: rgb(43, 89, 189);
/* oklch */ color: oklch(49.1% 0.166 263.1);

Tailwind

colors: {
  custom: {
    50: '#7a87d2',
    500: '#2b59bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b59bd;
$custom-light: #7a87d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59bd",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 221.096,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49106,
    "c": 0.16571,
    "h": 263.1
  },
  "luminance": 0.11332
}

Semantic roles & 50–950 ramp

primary

#2B59BD

secondary

#CBB179

accent

#B242E6

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #2B59BD

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

Preview Lab → · Contrast checker → · Palette generator →