#1C4798#1C4798

#1C4798 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.8% C 0.141 H 261.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C4798
RGB	rgb(28, 71, 152)
HSL	hsl(219, 69%, 35%)
HSV	hsv(219, 82%, 60%)
CMYK	cmyk(81.6%, 53.3%, 0%, 40.4%)
CIE-LAB	lab(31.85, 16.44, -48.52)
CIE-LCH	lch(31.85, 51.23, 288.72°)
OKLab	oklab(41.81% -0.0208 -0.1398)
OKLCH	oklch(41.81% 0.141 261.5)
XYZ	xyz(8.3976, 7.0193, 30.6120)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4798 #986D1C

analogous

#1C8598 #1C4798 #2F1C98

triadic

#1C4798 #981C47 #47981C

tetradic

#1C4798 #981C85 #986D1C #1C982F

square

#1C4798 #981C85 #986D1C #1C982F

split-complementary

#1C4798 #982F1C #85981C

monochromatic

#091731 #122F64 #1C4798 #265FCC #5081DF

Accessibility & contrast

On white

8.74

#1C4798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1C4798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4798

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4798	#FFFFFF	#000000	##FFFFFF
##1C4798	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C519B

Deuteranopia (green-blind)

#004696

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1c4798;
/* rgb */ color: rgb(28, 71, 152);
/* oklch */ color: oklch(41.8% 0.141 261.5);

Tailwind

colors: {
  custom: {
    50: '#6e79b7',
    500: '#1c4798',
    950: '#000000',
  },
}

SCSS

$custom: #1c4798;
$custom-light: #6e79b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4798",
  "rgb": {
    "r": 28,
    "g": 71,
    "b": 152
  },
  "hsl": {
    "h": 219.194,
    "s": 68.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41809,
    "c": 0.14137,
    "h": 261.5
  },
  "luminance": 0.0702
}

Semantic roles & 50–950 ramp

primary

#1C4798

secondary

#C19A4E

accent

#AF3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1C4798

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

Preview Lab → · Contrast checker → · Palette generator →