#2128A6#2128A6

#2128A6 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.195 H 270.1°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX#2128A6
RGBrgb(33, 40, 166)
HSLhsl(237, 67%, 39%)
HSVhsv(237, 80%, 65%)
CMYKcmyk(80.1%, 75.9%, 0%, 34.9%)
CIE-LABlab(25.54, 42.47, -67.33)
CIE-LCHlch(25.54, 79.61, 302.24°)
OKLaboklab(37.6% 0.0002 -0.195)
OKLCHoklch(37.6% 0.195 270.1)
XYZxyz(8.2666, 4.5931, 36.5199)
Luminance0.0459 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2128A6 #A69F21
analogous
#216BA6 #2128A6 #5D21A6
triadic
#2128A6 #A62128 #28A621
tetradic
#2128A6 #A6216B #A69F21 #21A65D
square
#2128A6 #A6216B #A69F21 #21A65D
split-complementary
#2128A6 #A65D21 #6BA621
monochromatic
#0D0F40 #171C73 #2128A6 #2F37D6 #6268E0

Accessibility & contrast

On white

10.94
#2128A6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#2128A6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2128A6
10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2128A6#FFFFFF#000000##FFFFFF
##2128A61.0010.941.9210.94
#FFFFFF10.941.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0043AA
Deuteranopia (green-blind)
#0036A4
Tritanopia (blue-blind)
#004D65
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #2128a6;
/* rgb */ color: rgb(33, 40, 166);
/* oklch */ color: oklch(37.6% 0.195 270.1);
Tailwind
colors: {
  custom: {
    50: '#7563c2',
    500: '#2128a6',
    950: '#000000',
  },
}
SCSS
$custom: #2128a6;
$custom-light: #7563c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2128a6",
  "rgb": {
    "r": 33,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 236.842,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37603,
    "c": 0.19503,
    "h": 270.1
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary
#2128A6
secondary
#C5BF5E
accent
#E13EEA
background
#F7F6FC
surface
#EEEBF8
border
#C9C6D1
text
#0A0513
muted
#7C7A82

Preview Lab

Preview with #2128A6

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

Preview Lab → · Contrast checker → · Palette generator →

#2128A6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva