#3B90CB#3B90CB

#3B90CB is a light, vivid cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.120 H 242.6°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#3B90CB
RGBrgb(59, 144, 203)
HSLhsl(205, 58%, 51%)
HSVhsv(205, 71%, 80%)
CMYKcmyk(70.9%, 29.1%, 0%, 20.4%)
CIE-LABlab(57.26, -6.22, -37.81)
CIE-LCHlch(57.26, 38.32, 260.67°)
OKLaboklab(62.82% -0.0555 -0.1069)
OKLCHoklch(62.82% 0.12 242.6)
XYZxyz(22.5522, 25.1856, 60.1611)
Luminance0.2519 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B90CB #CB763B
analogous
#3BCBBE #3B90CB #3B48CB
triadic
#3B90CB #CB3B90 #90CB3B
tetradic
#3B90CB #BE3BCB #CB763B #48CB3B
square
#3B90CB #BE3BCB #CB763B #48CB3B
split-complementary
#3B90CB #CB3B48 #CBBE3B
monochromatic
#1D4D6E #2A6F9F #3B90CB #6BABD8 #9CC7E5

Accessibility & contrast

On white

3.48
#3B90CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.04
#3B90CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B90CB
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B90CB#FFFFFF#000000##000000
##3B90CB1.003.486.046.04
#FFFFFF3.481.0021.0021.00
#0000006.0421.001.001.00
##0000006.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7591CE
Deuteranopia (green-blind)
#6183CA
Tritanopia (blue-blind)
#009FA5
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3b90cb;
/* rgb */ color: rgb(59, 144, 203);
/* oklch */ color: oklch(62.8% 0.120 242.6);
Tailwind
colors: {
  custom: {
    50: '#82b0db',
    500: '#3b90cb',
    950: '#000000',
  },
}
SCSS
$custom: #3b90cb;
$custom-light: #82b0db;
$custom-dark: #000000;
JSON
{
  "hex": "#3b90cb",
  "rgb": {
    "r": 59,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 204.583,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62822,
    "c": 0.1204,
    "h": 242.6
  },
  "luminance": 0.25188
}

Semantic roles & 50–950 ramp

primary
#3B90CB
secondary
#D1AB91
accent
#8647E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3B90CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B90CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva