#2A83B1#2A83B1

#2A83B1 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 57.9% C 0.108 H 236.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#2A83B1
RGBrgb(42, 131, 177)
HSLhsl(200, 62%, 43%)
HSVhsv(200, 76%, 69%)
CMYKcmyk(76.3%, 26%, 0%, 30.6%)
CIE-LABlab(51.72, -10.17, -31.70)
CIE-LCHlch(51.72, 33.29, 252.22°)
OKLaboklab(57.91% -0.0604 -0.0894)
OKLCHoklch(57.91% 0.108 236)
XYZxyz(17.0038, 19.8971, 44.5308)
Luminance0.1990 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A83B1 #B1582A
analogous
#2AB19B #2A83B1 #2A40B1
triadic
#2A83B1 #B12A83 #83B12A
tetradic
#2A83B1 #9B2AB1 #B1582A #40B12A
square
#2A83B1 #9B2AB1 #B1582A #40B12A
split-complementary
#2A83B1 #B12A40 #B19B2A
monochromatic
#133A4E #1E5E80 #2A83B1 #45A3D3 #77BBDF

Accessibility & contrast

On white

4.22
#2A83B1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.98
#2A83B1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A83B1
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A83B1#FFFFFF#000000##000000
##2A83B11.004.224.984.98
#FFFFFF4.221.0021.0021.00
#0000004.9821.001.001.00
##0000004.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6D82B3
Deuteranopia (green-blind)
#5B76B0
Tritanopia (blue-blind)
#008F93
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #2a83b1;
/* rgb */ color: rgb(42, 131, 177);
/* oklch */ color: oklch(57.9% 0.108 236.0);
Tailwind
colors: {
  custom: {
    50: '#77a7c8',
    500: '#2a83b1',
    950: '#000000',
  },
}
SCSS
$custom: #2a83b1;
$custom-light: #77a7c8;
$custom-dark: #000000;
JSON
{
  "hex": "#2a83b1",
  "rgb": {
    "r": 42,
    "g": 131,
    "b": 177
  },
  "hsl": {
    "h": 200.444,
    "s": 61.644,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5791,
    "c": 0.10788,
    "h": 236
  },
  "luminance": 0.19899
}

Semantic roles & 50–950 ramp

primary
#2A83B1
secondary
#C68E70
accent
#7A43E5
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #2A83B1

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

Preview Lab → · Contrast checker → · Palette generator →

#2A83B1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva