#1C4C97#1C4C97

#1C4C97 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.134 H 259.3°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C4C97
RGB	rgb(28, 76, 151)
HSL	hsl(217, 69%, 35%)
HSV	hsv(217, 81%, 59%)
CMYK	cmyk(81.5%, 49.7%, 0%, 40.8%)
CIE-LAB	lab(33.24, 12.63, -45.67)
CIE-LCH	lch(33.24, 47.38, 285.46°)
OKLab	oklab(42.85% -0.0248 -0.1313)
OKLCH	oklch(42.85% 0.134 259.3)
XYZ	xyz(8.6472, 7.6491, 30.2928)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4C97 #97671C

analogous

#1C8A97 #1C4C97 #291C97

triadic

#1C4C97 #971C4C #4C971C

tetradic

#1C4C97 #971C8A #97671C #1C9729

square

#1C4C97 #971C8A #97671C #1C9729

split-complementary

#1C4C97 #97291C #8A971C

monochromatic

#091830 #123263 #1C4C97 #2666CB #4F87DE

Accessibility & contrast

On white

8.30

#1C4C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1C4C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C97

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4C97	#FFFFFF	#000000	##FFFFFF
##1C4C97	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20549A

Deuteranopia (green-blind)

#004996

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4c97;
/* rgb */ color: rgb(28, 76, 151);
/* oklch */ color: oklch(42.8% 0.134 259.3);

Tailwind

colors: {
  custom: {
    50: '#6d7db6',
    500: '#1c4c97',
    950: '#000000',
  },
}

SCSS

$custom: #1c4c97;
$custom-light: #6d7db6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4c97",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 151
  },
  "hsl": {
    "h": 216.585,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42849,
    "c": 0.13365,
    "h": 259.3
  },
  "luminance": 0.0765
}

Semantic roles & 50–950 ramp

primary

#1C4C97

secondary

#C1944E

accent

#A73CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4C97

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

Preview Lab → · Contrast checker → · Palette generator →