#298BB3#298BB3

#298BB3 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.9% C 0.106 H 230.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX#298BB3
RGBrgb(41, 139, 179)
HSLhsl(197, 63%, 43%)
HSVhsv(197, 77%, 70%)
CMYKcmyk(77.1%, 22.3%, 0%, 29.8%)
CIE-LABlab(54.23, -14.09, -28.94)
CIE-LCHlch(54.23, 32.19, 244.05°)
OKLaboklab(59.93% -0.0679 -0.0814)
OKLCHoklch(59.93% 0.106 230.2)
XYZxyz(18.2804, 22.1891, 45.9586)
Luminance0.2219 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#298BB3 #B35129
analogous
#29B396 #298BB3 #2946B3
triadic
#298BB3 #B3298B #8BB329
tetradic
#298BB3 #9629B3 #B35129 #46B329
square
#298BB3 #9629B3 #B35129 #46B329
split-complementary
#298BB3 #B32946 #B39629
monochromatic
#123E4F #1E6481 #298BB3 #45ABD4 #77C1E0

Accessibility & contrast

On white

3.86
#298BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.44
#298BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #298BB3
5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##298BB3#FFFFFF#000000##000000
##298BB31.003.865.445.44
#FFFFFF3.861.0021.0021.00
#0000005.4421.001.001.00
##0000005.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7689B5
Deuteranopia (green-blind)
#647CB2
Tritanopia (blue-blind)
#009698
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #298bb3;
/* rgb */ color: rgb(41, 139, 179);
/* oklch */ color: oklch(59.9% 0.106 230.2);
Tailwind
colors: {
  custom: {
    50: '#78acca',
    500: '#298bb3',
    950: '#000000',
  },
}
SCSS
$custom: #298bb3;
$custom-light: #78acca;
$custom-dark: #000000;
JSON
{
  "hex": "#298bb3",
  "rgb": {
    "r": 41,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 197.391,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.59931,
    "c": 0.10599,
    "h": 230.2
  },
  "luminance": 0.22191
}

Semantic roles & 50–950 ramp

primary
#298BB3
secondary
#C78A70
accent
#7142E6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #298BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#298BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva