#1B527D#1B527D

#1B527D is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.091 H 246.1°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX#1B527D
RGBrgb(27, 82, 125)
HSLhsl(206, 64%, 30%)
HSVhsv(206, 78%, 49%)
CMYKcmyk(78.4%, 34.4%, 0%, 51%)
CIE-LABlab(33.45, -1.89, -29.40)
CIE-LCHlch(33.45, 29.46, 266.32°)
OKLaboklab(42.48% -0.0369 -0.0835)
OKLCHoklch(42.48% 0.091 246.1)
XYZxyz(7.1695, 7.7474, 20.5156)
Luminance0.0775 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B527D #7D461B
analogous
#1B7D77 #1B527D #1B217D
triadic
#1B527D #7D1B52 #527D1B
tetradic
#1B527D #771B7D #7D461B #217D1B
square
#1B527D #771B7D #7D461B #217D1B
split-complementary
#1B527D #7D1B21 #7D771B
monochromatic
#051119 #10314B #1B527D #2673AF #3D92D5

Accessibility & contrast

On white

8.24
#1B527D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.55
#1B527D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B527D
8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B527D#FFFFFF#000000##FFFFFF
##1B527D1.008.242.558.24
#FFFFFF8.241.0021.001.00
#0000002.5521.001.0021.00
##FFFFFF8.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E547F
Deuteranopia (green-blind)
#304B7C
Tritanopia (blue-blind)
#005C61
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #1b527d;
/* rgb */ color: rgb(27, 82, 125);
/* oklch */ color: oklch(42.5% 0.091 246.1);
Tailwind
colors: {
  custom: {
    50: '#6782a3',
    500: '#1b527d',
    950: '#000000',
  },
}
SCSS
$custom: #1b527d;
$custom-light: #6782a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1b527d",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 125
  },
  "hsl": {
    "h": 206.327,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42484,
    "c": 0.09127,
    "h": 246.1
  },
  "luminance": 0.07748
}

Semantic roles & 50–950 ramp

primary
#1B527D
secondary
#B17343
accent
#8A40E7
background
#F6F7FA
surface
#EBEEF3
border
#C6C9CD
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #1B527D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B527D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva