#2B63B0#2B63B0

#2B63B0 is a mid, vivid cyan. Relative luminance 0.126; OKLCH L 50.3% C 0.136 H 257.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#2B63B0
RGBrgb(43, 99, 176)
HSLhsl(215, 61%, 43%)
HSVhsv(215, 76%, 69%)
CMYKcmyk(75.6%, 43.8%, 0%, 31%)
CIE-LABlab(42.11, 9.06, -46.31)
CIE-LCHlch(42.11, 47.19, 281.07°)
OKLaboklab(50.35% -0.0301 -0.1326)
OKLCHoklch(50.35% 0.136 257.2)
XYZxyz(13.2917, 12.5704, 42.7917)
Luminance0.1257 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B63B0 #B0782B
analogous
#2BA5B0 #2B63B0 #352BB0
triadic
#2B63B0 #B02B63 #63B02B
tetradic
#2B63B0 #B02BA5 #B0782B #2BB035
square
#2B63B0 #B02BA5 #B0782B #2BB035
split-complementary
#2B63B0 #B0352B #A5B02B
monochromatic
#132C4E #1F477F #2B63B0 #4681D2 #78A3DE

Accessibility & contrast

On white

5.98
#2B63B0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.51
#2B63B0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63B0
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B63B0#FFFFFF#000000##FFFFFF
##2B63B01.005.983.515.98
#FFFFFF5.981.0021.001.00
#0000003.5121.001.0021.00
##FFFFFF5.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D6AB3
Deuteranopia (green-blind)
#245EAE
Tritanopia (blue-blind)
#007581
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #2b63b0;
/* rgb */ color: rgb(43, 99, 176);
/* oklch */ color: oklch(50.3% 0.136 257.2);
Tailwind
colors: {
  custom: {
    50: '#778ec8',
    500: '#2b63b0',
    950: '#000000',
  },
}
SCSS
$custom: #2b63b0;
$custom-light: #778ec8;
$custom-dark: #000000;
JSON
{
  "hex": "#2b63b0",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 176
  },
  "hsl": {
    "h": 214.737,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50347,
    "c": 0.13593,
    "h": 257.2
  },
  "luminance": 0.12572
}

Semantic roles & 50–950 ramp

primary
#2B63B0
secondary
#C6A271
accent
#A144E4
background
#F7F8FC
surface
#EEF0F8
border
#C9CBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #2B63B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2B63B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva