#4990BF#4990BF

#4990BF is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.101 H 240.0°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#4990BF
RGBrgb(73, 144, 191)
HSLhsl(204, 48%, 52%)
HSVhsv(204, 62%, 75%)
CMYKcmyk(61.8%, 24.6%, 0%, 25.1%)
CIE-LABlab(57.19, -7.94, -31.09)
CIE-LCHlch(57.19, 32.09, 255.68°)
OKLaboklab(62.73% -0.0503 -0.0873)
OKLCHoklch(62.73% 0.101 240)
XYZxyz(22.1213, 25.1224, 52.9634)
Luminance0.2512 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4990BF #BF7849
analogous
#49BFB3 #4990BF #4955BF
triadic
#4990BF #BF4990 #90BF49
tetradic
#4990BF #B349BF #BF7849 #55BF49
square
#4990BF #B349BF #BF7849 #55BF49
split-complementary
#4990BF #BF4955 #BFB349
monochromatic
#254E69 #356F96 #4990BF #76ACCF #A4C7DF

Accessibility & contrast

On white

3.49
#4990BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#4990BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4990BF
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4990BF#FFFFFF#000000##000000
##4990BF1.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B90C1
Deuteranopia (green-blind)
#6B84BE
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #4990bf;
/* rgb */ color: rgb(73, 144, 191);
/* oklch */ color: oklch(62.7% 0.101 240.0);
Tailwind
colors: {
  custom: {
    50: '#86b0d2',
    500: '#4990bf',
    950: '#000000',
  },
}
SCSS
$custom: #4990bf;
$custom-light: #86b0d2;
$custom-dark: #000000;
JSON
{
  "hex": "#4990bf",
  "rgb": {
    "r": 73,
    "g": 144,
    "b": 191
  },
  "hsl": {
    "h": 203.898,
    "s": 47.967,
    "l": 51.765
  },
  "oklch": {
    "l": 0.6273,
    "c": 0.10073,
    "h": 240
  },
  "luminance": 0.25125
}

Semantic roles & 50–950 ramp

primary
#4990BF
secondary
#CCAD98
accent
#8650D8
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #4990BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4990BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva