#1B658E#1B658E

#1B658E is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.096 H 238.4°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#1B658E
RGBrgb(27, 101, 142)
HSLhsl(201, 68%, 33%)
HSVhsv(201, 81%, 56%)
CMYKcmyk(81%, 28.9%, 0%, 44.3%)
CIE-LABlab(40.40, -7.16, -28.84)
CIE-LCHlch(40.40, 29.72, 256.06°)
OKLaboklab(48.27% -0.0502 -0.0816)
OKLCHoklch(48.27% 0.096 238.4)
XYZxyz(9.9862, 11.4921, 27.2778)
Luminance0.1149 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B658E #8E441B
analogous
#1B8E7D #1B658E #1B2C8E
triadic
#1B658E #8E1B65 #658E1B
tetradic
#1B658E #7D1B8E #8E441B #2C8E1B
square
#1B658E #7D1B8E #8E441B #2C8E1B
split-complementary
#1B658E #8E1B2C #8E7D1B
monochromatic
#071C27 #11405B #1B658E #258AC1 #47A7DC

Accessibility & contrast

On white

6.37
#1B658E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#1B658E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B658E
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B658E#FFFFFF#000000##FFFFFF
##1B658E1.006.373.306.37
#FFFFFF6.371.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#516590
Deuteranopia (green-blind)
#425A8D
Tritanopia (blue-blind)
#006F73
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #1b658e;
/* rgb */ color: rgb(27, 101, 142);
/* oklch */ color: oklch(48.3% 0.096 238.4);
Tailwind
colors: {
  custom: {
    50: '#6b90af',
    500: '#1b658e',
    950: '#000000',
  },
}
SCSS
$custom: #1b658e;
$custom-light: #6b90af;
$custom-dark: #000000;
JSON
{
  "hex": "#1b658e",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 142
  },
  "hsl": {
    "h": 201.391,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.48268,
    "c": 0.09579,
    "h": 238.4
  },
  "luminance": 0.11493
}

Semantic roles & 50–950 ramp

primary
#1B658E
secondary
#BE7147
accent
#7B3DEB
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F

Preview Lab

Preview with #1B658E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B658E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva