#1C4698#1C4698

#1C4698 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.6% C 0.143 H 261.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1C4698
RGB	rgb(28, 70, 152)
HSL	hsl(220, 69%, 35%)
HSV	hsv(220, 82%, 60%)
CMYK	cmyk(81.6%, 53.9%, 0%, 40.4%)
CIE-LAB	lab(31.56, 17.12, -48.99)
CIE-LCH	lch(31.56, 51.89, 289.27°)
OKLab	oklab(41.59% -0.02 -0.1412)
OKLCH	oklch(41.59% 0.143 261.9)
XYZ	xyz(8.3345, 6.8932, 30.5909)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4698 #986E1C

analogous

#1C8498 #1C4698 #301C98

triadic

#1C4698 #981C46 #46981C

tetradic

#1C4698 #981C84 #986E1C #1C9830

square

#1C4698 #981C84 #986E1C #1C9830

split-complementary

#1C4698 #98301C #84981C

monochromatic

#091631 #122E64 #1C4698 #265ECC #5080DF

Accessibility & contrast

On white

8.83

#1C4698 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1C4698 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4698

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4698	#FFFFFF	#000000	##FFFFFF
##1C4698	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06509B

Deuteranopia (green-blind)

#004596

Tritanopia (blue-blind)

#005A68

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1c4698;
/* rgb */ color: rgb(28, 70, 152);
/* oklch */ color: oklch(41.6% 0.143 261.9);

Tailwind

colors: {
  custom: {
    50: '#6e78b7',
    500: '#1c4698',
    950: '#000000',
  },
}

SCSS

$custom: #1c4698;
$custom-light: #6e78b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4698",
  "rgb": {
    "r": 28,
    "g": 70,
    "b": 152
  },
  "hsl": {
    "h": 219.677,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.4159,
    "c": 0.14263,
    "h": 261.9
  },
  "luminance": 0.06894
}

Semantic roles & 50–950 ramp

primary

#1C4698

secondary

#C19A4E

accent

#B03CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4698

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

Preview Lab → · Contrast checker → · Palette generator →