#1C447D#1C447D

#1C447D is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.107 H 257.8°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX#1C447D
RGBrgb(28, 68, 125)
HSLhsl(215, 63%, 30%)
HSVhsv(215, 78%, 49%)
CMYKcmyk(77.6%, 45.6%, 0%, 51%)
CIE-LABlab(29.06, 7.55, -36.38)
CIE-LCHlch(29.06, 37.15, 281.73°)
OKLaboklab(39.06% -0.0226 -0.1042)
OKLCHoklch(39.06% 0.107 257.8)
XYZxyz(6.2463, 5.8611, 20.2002)
Luminance0.0586 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C447D #7D551C
analogous
#1C747D #1C447D #251C7D
triadic
#1C447D #7D1C44 #447D1C
tetradic
#1C447D #7D1C74 #7D551C #1C7D25
square
#1C447D #7D1C74 #7D551C #1C7D25
split-complementary
#1C447D #7D251C #747D1C
monochromatic
#060E19 #11294B #1C447D #275FAF #3F7DD4

Accessibility & contrast

On white

9.67
#1C447D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#1C447D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447D
9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C447D#FFFFFF#000000##FFFFFF
##1C447D1.009.672.179.67
#FFFFFF9.671.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#27497F
Deuteranopia (green-blind)
#15407C
Tritanopia (blue-blind)
#00515A
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #1c447d;
/* rgb */ color: rgb(28, 68, 125);
/* oklch */ color: oklch(39.1% 0.107 257.8);
Tailwind
colors: {
  custom: {
    50: '#6777a3',
    500: '#1c447d',
    950: '#000000',
  },
}
SCSS
$custom: #1c447d;
$custom-light: #6777a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1c447d",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 125
  },
  "hsl": {
    "h": 215.258,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.39062,
    "c": 0.10659,
    "h": 257.8
  },
  "luminance": 0.05862
}

Semantic roles & 50–950 ramp

primary
#1C447D
secondary
#B18444
accent
#A241E6
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C447D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C447D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva