#1B4675#1B4675

#1B4675 is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.0% C 0.093 H 253.0°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX#1B4675
RGBrgb(27, 70, 117)
HSLhsl(211, 63%, 28%)
HSVhsv(211, 77%, 46%)
CMYKcmyk(76.9%, 40.2%, 0%, 54.1%)
CIE-LABlab(29.15, 2.82, -31.22)
CIE-LCHlch(29.15, 31.34, 275.16°)
OKLaboklab(38.96% -0.0271 -0.089)
OKLCHoklch(38.96% 0.093 253)
XYZxyz(5.8518, 5.8970, 17.6560)
Luminance0.0590 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B4675 #754A1B
analogous
#1B7375 #1B4675 #1D1B75
triadic
#1B4675 #751B46 #46751B
tetradic
#1B4675 #751B73 #754A1B #1B751D
square
#1B4675 #751B73 #754A1B #1B751D
split-complementary
#1B4675 #751D1B #73751B
monochromatic
#060F19 #102843 #1B4675 #2664A7 #3982D1

Accessibility & contrast

On white

9.63
#1B4675 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#1B4675 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4675
9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B4675#FFFFFF#000000##FFFFFF
##1B46751.009.632.189.63
#FFFFFF9.631.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#304977
Deuteranopia (green-blind)
#224174
Tritanopia (blue-blind)
#005158
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1b4675;
/* rgb */ color: rgb(27, 70, 117);
/* oklch */ color: oklch(39.0% 0.093 253.0);
Tailwind
colors: {
  custom: {
    50: '#65799d',
    500: '#1b4675',
    950: '#000000',
  },
}
SCSS
$custom: #1b4675;
$custom-light: #65799d;
$custom-dark: #000000;
JSON
{
  "hex": "#1b4675",
  "rgb": {
    "r": 27,
    "g": 70,
    "b": 117
  },
  "hsl": {
    "h": 211.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38961,
    "c": 0.09303,
    "h": 253
  },
  "luminance": 0.05898
}

Semantic roles & 50–950 ramp

primary
#1B4675
secondary
#A97842
accent
#9842E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06090E
muted
#7A7B7E

Preview Lab

Preview with #1B4675

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

Preview Lab → · Contrast checker → · Palette generator →

#1B4675 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva