#1C4697#1C4697

#1C4697 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.141 H 261.8°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#1C4697
RGB	rgb(28, 70, 151)
HSL	hsl(220, 69%, 35%)
HSV	hsv(220, 81%, 59%)
CMYK	cmyk(81.5%, 53.6%, 0%, 40.8%)
CIE-LAB	lab(31.49, 16.72, -48.50)
CIE-LCH	lch(31.49, 51.30, 289.02°)
OKLab	oklab(41.51% -0.0201 -0.1398)
OKLCH	oklch(41.51% 0.141 261.8)
XYZ	xyz(8.2529, 6.8606, 30.1614)
Luminance	0.0686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4697 #976D1C

analogous

#1C8497 #1C4697 #2F1C97

triadic

#1C4697 #971C46 #46971C

tetradic

#1C4697 #971C84 #976D1C #1C972F

square

#1C4697 #971C84 #976D1C #1C972F

split-complementary

#1C4697 #972F1C #84971C

monochromatic

#091630 #122E63 #1C4697 #265ECB #4F80DE

Accessibility & contrast

On white

8.85

#1C4697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1C4697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4697

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4697	#FFFFFF	#000000	##FFFFFF
##1C4697	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09509A

Deuteranopia (green-blind)

#004595

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4697;
/* rgb */ color: rgb(28, 70, 151);
/* oklch */ color: oklch(41.5% 0.141 261.8);

Tailwind

colors: {
  custom: {
    50: '#6d78b6',
    500: '#1c4697',
    950: '#000000',
  },
}

SCSS

$custom: #1c4697;
$custom-light: #6d78b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4697",
  "rgb": {
    "r": 28,
    "g": 70,
    "b": 151
  },
  "hsl": {
    "h": 219.512,
    "s": 68.715,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41509,
    "c": 0.14123,
    "h": 261.8
  },
  "luminance": 0.06862
}

Semantic roles & 50–950 ramp

primary

#1C4697

secondary

#C19A4E

accent

#B03CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4697

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

Preview Lab → · Contrast checker → · Palette generator →