#2B64B8#2B64B8

#2B64B8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.146 H 258.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX#2B64B8
RGBrgb(43, 100, 184)
HSLhsl(216, 62%, 45%)
HSVhsv(216, 77%, 72%)
CMYKcmyk(76.6%, 45.7%, 0%, 27.8%)
CIE-LABlab(42.89, 11.47, -49.73)
CIE-LCHlch(42.89, 51.04, 282.99°)
OKLaboklab(51.11% -0.0294 -0.1426)
OKLCHoklch(51.11% 0.146 258.3)
XYZxyz(14.2020, 13.0870, 47.1157)
Luminance0.1309 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B64B8 #B87F2B
analogous
#2BABB8 #2B64B8 #392BB8
triadic
#2B64B8 #B82B64 #64B82B
tetradic
#2B64B8 #B82BAB #B87F2B #2BB839
square
#2B64B8 #B82BAB #B87F2B #2BB839
split-complementary
#2B64B8 #B8392B #ABB82B
monochromatic
#142E55 #1F4986 #2B64B8 #4B83D5 #7DA5E1

Accessibility & contrast

On white

5.80
#2B64B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.62
#2B64B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64B8
5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B64B8#FFFFFF#000000##FFFFFF
##2B64B81.005.803.625.80
#FFFFFF5.801.0021.001.00
#0000003.6221.001.0021.00
##FFFFFF5.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#386CBB
Deuteranopia (green-blind)
#185FB6
Tritanopia (blue-blind)
#007885
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #2b64b8;
/* rgb */ color: rgb(43, 100, 184);
/* oklch */ color: oklch(51.1% 0.146 258.3);
Tailwind
colors: {
  custom: {
    50: '#798fce',
    500: '#2b64b8',
    950: '#000000',
  },
}
SCSS
$custom: #2b64b8;
$custom-light: #798fce;
$custom-dark: #000000;
JSON
{
  "hex": "#2b64b8",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 184
  },
  "hsl": {
    "h": 215.745,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51114,
    "c": 0.14561,
    "h": 258.3
  },
  "luminance": 0.13089
}

Semantic roles & 50–950 ramp

primary
#2B64B8
secondary
#C9A776
accent
#A343E5
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0A0C14
muted
#7C7D82

Preview Lab

Preview with #2B64B8

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

Preview Lab → · Contrast checker → · Palette generator →

#2B64B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva