#1C478C#1C478C

#1C478C is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.124 H 259.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1C478C
RGB	rgb(28, 71, 140)
HSL	hsl(217, 67%, 33%)
HSV	hsv(217, 80%, 55%)
CMYK	cmyk(80%, 49.3%, 0%, 45.1%)
CIE-LAB	lab(30.99, 11.59, -42.58)
CIE-LCH	lch(30.99, 44.13, 285.22°)
OKLab	oklab(40.87% -0.0225 -0.1223)
OKLCH	oklch(40.87% 0.124 259.6)
XYZ	xyz(7.4640, 6.6459, 25.6953)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C478C #8C611C

analogous

#1C7F8C #1C478C #291C8C

triadic

#1C478C #8C1C47 #478C1C

tetradic

#1C478C #8C1C7F #8C611C #1C8C29

square

#1C478C #8C1C7F #8C611C #1C8C29

split-complementary

#1C478C #8C291C #7F8C1C

monochromatic

#081326 #122D59 #1C478C #2661BF #4880DA

Accessibility & contrast

On white

9.02

#1C478C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1C478C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C478C

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C478C	#FFFFFF	#000000	##FFFFFF
##1C478C	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204E8F

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1c478c;
/* rgb */ color: rgb(28, 71, 140);
/* oklch */ color: oklch(40.9% 0.124 259.6);

Tailwind

colors: {
  custom: {
    50: '#6b79ae',
    500: '#1c478c',
    950: '#000000',
  },
}

SCSS

$custom: #1c478c;
$custom-light: #6b79ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1c478c",
  "rgb": {
    "r": 28,
    "g": 71,
    "b": 140
  },
  "hsl": {
    "h": 216.964,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.40873,
    "c": 0.12439,
    "h": 259.6
  },
  "luminance": 0.06647
}

Semantic roles & 50–950 ramp

primary

#1C478C

secondary

#BC8F48

accent

#A83EEA

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1C478C

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

Preview Lab → · Contrast checker → · Palette generator →