#1C487B#1C487B

#1C487B is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.099 H 254.2°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX#1C487B
RGBrgb(28, 72, 123)
HSLhsl(212, 63%, 30%)
HSVhsv(212, 77%, 48%)
CMYKcmyk(77.2%, 41.5%, 0%, 51.8%)
CIE-LABlab(30.18, 4.03, -33.33)
CIE-LCHlch(30.18, 33.58, 276.89°)
OKLaboklab(39.89% -0.0269 -0.0951)
OKLCHoklch(39.89% 0.099 254.2)
XYZxyz(6.3701, 6.3109, 19.6175)
Luminance0.0631 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C487B #7B4F1C
analogous
#1C777B #1C487B #201C7B
triadic
#1C487B #7B1C48 #487B1C
tetradic
#1C487B #7B1C77 #7B4F1C #1C7B20
square
#1C487B #7B1C77 #7B4F1C #1C7B20
split-complementary
#1C487B #7B201C #777B1C
monochromatic
#060F19 #112B49 #1C487B #2765AD #3E83D3

Accessibility & contrast

On white

9.28
#1C487B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.26
#1C487B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C487B
9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C487B#FFFFFF#000000##FFFFFF
##1C487B1.009.282.269.28
#FFFFFF9.281.0021.001.00
#0000002.2621.001.0021.00
##FFFFFF9.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#304C7D
Deuteranopia (green-blind)
#21437A
Tritanopia (blue-blind)
#00545B
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #1c487b;
/* rgb */ color: rgb(28, 72, 123);
/* oklch */ color: oklch(39.9% 0.099 254.2);
Tailwind
colors: {
  custom: {
    50: '#667aa1',
    500: '#1c487b',
    950: '#000000',
  },
}
SCSS
$custom: #1c487b;
$custom-light: #667aa1;
$custom-dark: #000000;
JSON
{
  "hex": "#1c487b",
  "rgb": {
    "r": 28,
    "g": 72,
    "b": 123
  },
  "hsl": {
    "h": 212.211,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39894,
    "c": 0.09887,
    "h": 254.2
  },
  "luminance": 0.06312
}

Semantic roles & 50–950 ramp

primary
#1C487B
secondary
#AF7D44
accent
#9A42E6
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#07090F
muted
#7A7B7E

Preview Lab

Preview with #1C487B

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

Preview Lab → · Contrast checker → · Palette generator →

#1C487B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva