#1C447C#1C447C

#1C447C is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.0% C 0.105 H 257.5°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C447C
RGB	rgb(28, 68, 124)
HSL	hsl(215, 63%, 30%)
HSV	hsv(215, 77%, 49%)
CMYK	cmyk(77.4%, 45.2%, 0%, 51.4%)
CIE-LAB	lab(28.99, 7.15, -35.86)
CIE-LCH	lch(28.99, 36.56, 281.27°)
OKLab	oklab(38.99% -0.0228 -0.1026)
OKLCH	oklch(38.99% 0.105 257.5)
XYZ	xyz(6.1828, 5.8357, 19.8654)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C447C #7C541C

analogous

#1C747C #1C447C #241C7C

triadic

#1C447C #7C1C44 #447C1C

tetradic

#1C447C #7C1C74 #7C541C #1C7C24

square

#1C447C #7C1C74 #7C541C #1C7C24

split-complementary

#1C447C #7C241C #747C1C

monochromatic

#060E19 #11294A #1C447C #275FAE #3F7DD4

Accessibility & contrast

On white

9.69

#1C447C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1C447C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447C

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C447C	#FFFFFF	#000000	##FFFFFF
##1C447C	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28497E

Deuteranopia (green-blind)

#16407B

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c447c;
/* rgb */ color: rgb(28, 68, 124);
/* oklch */ color: oklch(39.0% 0.105 257.5);

Tailwind

colors: {
  custom: {
    50: '#6777a2',
    500: '#1c447c',
    950: '#000000',
  },
}

SCSS

$custom: #1c447c;
$custom-light: #6777a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c447c",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 124
  },
  "hsl": {
    "h": 215,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3899,
    "c": 0.10514,
    "h": 257.5
  },
  "luminance": 0.05836
}

Semantic roles & 50–950 ramp

primary

#1C447C

secondary

#B08344

accent

#A242E6

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C447C

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

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