#1C447E#1C447E

#1C447E is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.108 H 258.0°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX#1C447E
RGBrgb(28, 68, 126)
HSLhsl(216, 64%, 30%)
HSVhsv(216, 78%, 49%)
CMYKcmyk(77.8%, 46%, 0%, 50.6%)
CIE-LABlab(29.13, 7.96, -36.90)
CIE-LCHlch(29.13, 37.75, 282.17°)
OKLaboklab(39.13% -0.0224 -0.1057)
OKLCHoklch(39.13% 0.108 258)
XYZxyz(6.3105, 5.8868, 20.5383)
Luminance0.0589 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C447E #7E561C
analogous
#1C757E #1C447E #251C7E
triadic
#1C447E #7E1C44 #447E1C
tetradic
#1C447E #7E1C75 #7E561C #1C7E25
square
#1C447E #7E1C75 #7E561C #1C7E25
split-complementary
#1C447E #7E251C #757E1C
monochromatic
#060E1A #11294C #1C447E #275FB0 #407DD5

Accessibility & contrast

On white

9.64
#1C447E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#1C447E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447E
9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C447E#FFFFFF#000000##FFFFFF
##1C447E1.009.642.189.64
#FFFFFF9.641.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#274980
Deuteranopia (green-blind)
#13407D
Tritanopia (blue-blind)
#00525A
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1c447e;
/* rgb */ color: rgb(28, 68, 126);
/* oklch */ color: oklch(39.1% 0.108 258.0);
Tailwind
colors: {
  custom: {
    50: '#6777a4',
    500: '#1c447e',
    950: '#000000',
  },
}
SCSS
$custom: #1c447e;
$custom-light: #6777a4;
$custom-dark: #000000;
JSON
{
  "hex": "#1c447e",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 126
  },
  "hsl": {
    "h": 215.51,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39134,
    "c": 0.10804,
    "h": 258
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary
#1C447E
secondary
#B28544
accent
#A341E7
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C447E

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

Preview Lab → · Contrast checker → · Palette generator →

#1C447E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva