#308DB9#308DB9

#308DB9 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.9% C 0.108 H 233.3°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX#308DB9
RGBrgb(48, 141, 185)
HSLhsl(199, 59%, 46%)
HSVhsv(199, 74%, 73%)
CMYKcmyk(74.1%, 23.8%, 0%, 27.5%)
CIE-LABlab(55.26, -12.25, -30.76)
CIE-LCHlch(55.26, 33.11, 248.28°)
OKLaboklab(60.88% -0.0644 -0.0866)
OKLCHoklch(60.88% 0.108 233.3)
XYZxyz(19.4973, 23.1786, 49.3359)
Luminance0.2318 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#308DB9 #B95C30
analogous
#30B9A0 #308DB9 #3048B9
triadic
#308DB9 #B9308D #8DB930
tetradic
#308DB9 #A030B9 #B95C30 #48B930
square
#308DB9 #A030B9 #B95C30 #48B930
split-complementary
#308DB9 #B93048 #B9A030
monochromatic
#174358 #236888 #308DB9 #54AAD3 #84C2DF

Accessibility & contrast

On white

3.73
#308DB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.64
#308DB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308DB9
5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##308DB9#FFFFFF#000000##000000
##308DB91.003.735.645.64
#FFFFFF3.731.0021.0021.00
#0000005.6421.001.001.00
##0000005.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#778CBB
Deuteranopia (green-blind)
#657EB8
Tritanopia (blue-blind)
#00999C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #308db9;
/* rgb */ color: rgb(48, 141, 185);
/* oklch */ color: oklch(60.9% 0.108 233.3);
Tailwind
colors: {
  custom: {
    50: '#7baece',
    500: '#308db9',
    950: '#000000',
  },
}
SCSS
$custom: #308db9;
$custom-light: #7baece;
$custom-dark: #000000;
JSON
{
  "hex": "#308db9",
  "rgb": {
    "r": 48,
    "g": 141,
    "b": 185
  },
  "hsl": {
    "h": 199.27,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60884,
    "c": 0.10791,
    "h": 233.3
  },
  "luminance": 0.23181
}

Semantic roles & 50–950 ramp

primary
#308DB9
secondary
#C9957C
accent
#7846E2
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #308DB9

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

Preview Lab → · Contrast checker → · Palette generator →

#308DB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva