#1C4C98#1C4C98

#1C4C98 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 42.9% C 0.135 H 259.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1C4C98
RGB	rgb(28, 76, 152)
HSL	hsl(217, 69%, 35%)
HSV	hsv(217, 82%, 60%)
CMYK	cmyk(81.6%, 50%, 0%, 40.4%)
CIE-LAB	lab(33.31, 13.04, -46.16)
CIE-LCH	lch(33.31, 47.96, 285.77°)
OKLab	oklab(42.93% -0.0246 -0.1328)
OKLCH	oklch(42.93% 0.135 259.5)
XYZ	xyz(8.7288, 7.6817, 30.7223)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4C98 #98681C

analogous

#1C8A98 #1C4C98 #2A1C98

triadic

#1C4C98 #981C4C #4C981C

tetradic

#1C4C98 #981C8A #98681C #1C982A

square

#1C4C98 #981C8A #98681C #1C982A

split-complementary

#1C4C98 #982A1C #8A981C

monochromatic

#091831 #123264 #1C4C98 #2666CC #5087DF

Accessibility & contrast

On white

8.28

#1C4C98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1C4C98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4C98

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4C98	#FFFFFF	#000000	##FFFFFF
##1C4C98	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F549B

Deuteranopia (green-blind)

#004996

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4c98;
/* rgb */ color: rgb(28, 76, 152);
/* oklch */ color: oklch(42.9% 0.135 259.5);

Tailwind

colors: {
  custom: {
    50: '#6d7db7',
    500: '#1c4c98',
    950: '#000000',
  },
}

SCSS

$custom: #1c4c98;
$custom-light: #6d7db7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4c98",
  "rgb": {
    "r": 28,
    "g": 76,
    "b": 152
  },
  "hsl": {
    "h": 216.774,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42925,
    "c": 0.13505,
    "h": 259.5
  },
  "luminance": 0.07683
}

Semantic roles & 50–950 ramp

primary

#1C4C98

secondary

#C1954E

accent

#A83CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4C98

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

Preview Lab → · Contrast checker → · Palette generator →