#1C447F#1C447F

#1C447F is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.2% C 0.109 H 258.3°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1C447F
RGB	rgb(28, 68, 127)
HSL	hsl(216, 64%, 30%)
HSV	hsv(216, 78%, 50%)
CMYK	cmyk(78%, 46.5%, 0%, 50.2%)
CIE-LAB	lab(29.19, 8.37, -37.42)
CIE-LCH	lch(29.19, 38.34, 282.60°)
OKLab	oklab(39.21% -0.0222 -0.1072)
OKLCH	oklch(39.21% 0.109 258.3)
XYZ	xyz(6.3754, 5.9127, 20.8798)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C447F #7F571C

analogous

#1C757F #1C447F #261C7F

triadic

#1C447F #7F1C44 #447F1C

tetradic

#1C447F #7F1C75 #7F571C #1C7F26

square

#1C447F #7F1C75 #7F571C #1C7F26

split-complementary

#1C447F #7F261C #757F1C

monochromatic

#060E1B #11294D #1C447F #275FB1 #407CD5

Accessibility & contrast

On white

9.62

#1C447F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1C447F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447F

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C447F	#FFFFFF	#000000	##FFFFFF
##1C447F	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264A81

Deuteranopia (green-blind)

#11417E

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c447f;
/* rgb */ color: rgb(28, 68, 127);
/* oklch */ color: oklch(39.2% 0.109 258.3);

Tailwind

colors: {
  custom: {
    50: '#6777a4',
    500: '#1c447f',
    950: '#000000',
  },
}

SCSS

$custom: #1c447f;
$custom-light: #6777a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c447f",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 127
  },
  "hsl": {
    "h": 215.758,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39206,
    "c": 0.10949,
    "h": 258.3
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#1C447F

secondary

#B38644

accent

#A441E7

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C447F

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

Preview Lab → · Contrast checker → · Palette generator →