#3A8CBB#3A8CBB

#3A8CBB is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.106 H 237.4°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX#3A8CBB
RGBrgb(58, 140, 187)
HSLhsl(202, 53%, 48%)
HSVhsv(202, 69%, 73%)
CMYKcmyk(69%, 25.1%, 0%, 26.7%)
CIE-LABlab(55.32, -9.58, -31.78)
CIE-LCHlch(55.32, 33.19, 253.23°)
OKLaboklab(61.04% -0.0573 -0.0894)
OKLCHoklch(61.04% 0.106 237.4)
XYZxyz(20.0892, 23.2414, 50.4314)
Luminance0.2324 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A8CBB #BB693A
analogous
#3ABBA9 #3A8CBB #3A4CBB
triadic
#3A8CBB #BB3A8C #8CBB3A
tetradic
#3A8CBB #A93ABB #BB693A #4CBB3A
square
#3A8CBB #A93ABB #BB693A #4CBB3A
split-complementary
#3A8CBB #BB3A4C #BBA93A
monochromatic
#1D465E #2C698C #3A8CBB #63A8CF #92C2DD

Accessibility & contrast

On white

3.72
#3A8CBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.65
#3A8CBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8CBB
5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A8CBB#FFFFFF#000000##000000
##3A8CBB1.003.725.655.65
#FFFFFF3.721.0021.0021.00
#0000005.6521.001.001.00
##0000005.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#768CBD
Deuteranopia (green-blind)
#647FBA
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3a8cbb;
/* rgb */ color: rgb(58, 140, 187);
/* oklch */ color: oklch(61.0% 0.106 237.4);
Tailwind
colors: {
  custom: {
    50: '#7fadcf',
    500: '#3a8cbb',
    950: '#000000',
  },
}
SCSS
$custom: #3a8cbb;
$custom-light: #7fadcf;
$custom-dark: #000000;
JSON
{
  "hex": "#3a8cbb",
  "rgb": {
    "r": 58,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 201.86,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61042,
    "c": 0.10619,
    "h": 237.4
  },
  "luminance": 0.23244
}

Semantic roles & 50–950 ramp

primary
#3A8CBB
secondary
#C8A088
accent
#804CDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3A8CBB

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

Preview Lab → · Contrast checker → · Palette generator →

#3A8CBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva