#1B608F#1B608F

#1B608F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.1% C 0.101 H 243.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX#1B608F
RGBrgb(27, 96, 143)
HSLhsl(204, 68%, 33%)
HSVhsv(204, 81%, 56%)
CMYKcmyk(81.1%, 32.9%, 0%, 43.9%)
CIE-LABlab(38.87, -3.71, -31.85)
CIE-LCHlch(38.87, 32.07, 263.36°)
OKLaboklab(47.07% -0.045 -0.0904)
OKLCHoklch(47.07% 0.101 243.5)
XYZxyz(9.5909, 10.5808, 27.5181)
Luminance0.1058 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B608F #8F4A1B
analogous
#1B8F84 #1B608F #1B268F
triadic
#1B608F #8F1B60 #608F1B
tetradic
#1B608F #841B8F #8F4A1B #268F1B
square
#1B608F #841B8F #8F4A1B #268F1B
split-complementary
#1B608F #8F1B26 #8F841B
monochromatic
#081B28 #113D5C #1B608F #2583C2 #48A0DC

Accessibility & contrast

On white

6.74
#1B608F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.12
#1B608F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B608F
6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B608F#FFFFFF#000000##FFFFFF
##1B608F1.006.743.126.74
#FFFFFF6.741.0021.001.00
#0000003.1221.001.0021.00
##FFFFFF6.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A6191
Deuteranopia (green-blind)
#3A578E
Tritanopia (blue-blind)
#006C71
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #1b608f;
/* rgb */ color: rgb(27, 96, 143);
/* oklch */ color: oklch(47.1% 0.101 243.5);
Tailwind
colors: {
  custom: {
    50: '#6b8cb0',
    500: '#1b608f',
    950: '#000000',
  },
}
SCSS
$custom: #1b608f;
$custom-light: #6b8cb0;
$custom-dark: #000000;
JSON
{
  "hex": "#1b608f",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 143
  },
  "hsl": {
    "h": 204.31,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.47071,
    "c": 0.101,
    "h": 243.5
  },
  "luminance": 0.10582
}

Semantic roles & 50–950 ramp

primary
#1B608F
secondary
#BE7848
accent
#833DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1B608F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B608F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva