#2B59BC#2B59BC

#2B59BC is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.164 H 263.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#2B59BC
RGB	rgb(43, 89, 188)
HSL	hsl(221, 63%, 45%)
HSV	hsv(221, 77%, 74%)
CMYK	cmyk(77.1%, 52.7%, 0%, 26.3%)
CIE-LAB	lab(40.06, 20.15, -56.64)
CIE-LCH	lch(40.06, 60.11, 289.58°)
OKLab	oklab(49.03% -0.02 -0.1631)
OKLCH	oklch(49.03% 0.164 263)
XYZ	xyz(13.6425, 11.2876, 49.0269)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B59BC #BC8E2B

analogous

#2BA1BC #2B59BC #462BBC

triadic

#2B59BC #BC2B59 #59BC2B

tetradic

#2B59BC #BC2BA1 #BC8E2B #2BBC46

square

#2B59BC #BC2BA1 #BC8E2B #2BBC46

split-complementary

#2B59BC #BC462B #A1BC2B

monochromatic

#142A58 #20418A #2B59BC #4E79D6 #809FE2

Accessibility & contrast

On white

6.45

#2B59BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#2B59BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B59BC

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B59BC	#FFFFFF	#000000	##FFFFFF
##2B59BC	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1165C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #2b59bc;
/* rgb */ color: rgb(43, 89, 188);
/* oklch */ color: oklch(49.0% 0.164 263.0);

Tailwind

colors: {
  custom: {
    50: '#7a87d1',
    500: '#2b59bc',
    950: '#000000',
  },
}

SCSS

$custom: #2b59bc;
$custom-light: #7a87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b59bc",
  "rgb": {
    "r": 43,
    "g": 89,
    "b": 188
  },
  "hsl": {
    "h": 220.966,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49029,
    "c": 0.16435,
    "h": 263
  },
  "luminance": 0.11289
}

Semantic roles & 50–950 ramp

primary

#2B59BC

secondary

#CBB078

accent

#B242E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B59BC

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

Preview Lab → · Contrast checker → · Palette generator →