#1D4C98#1D4C98

#1D4C98 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.135 H 259.7°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C98
RGB	rgb(29, 76, 152)
HSL	hsl(217, 68%, 35%)
HSV	hsv(217, 81%, 60%)
CMYK	cmyk(80.9%, 50%, 0%, 40.4%)
CIE-LAB	lab(33.34, 13.14, -46.11)
CIE-LCH	lch(33.34, 47.94, 285.91°)
OKLab	oklab(42.96% -0.024 -0.1326)
OKLCH	oklch(42.96% 0.135 259.7)
XYZ	xyz(8.7566, 7.6961, 30.7237)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C98 #98691D

analogous

#1D8998 #1D4C98 #2B1D98

triadic

#1D4C98 #981D4C #4C981D

tetradic

#1D4C98 #981D89 #98691D #1D982B

square

#1D4C98 #981D89 #98691D #1D982B

split-complementary

#1D4C98 #982B1D #89981D

monochromatic

#091931 #133265 #1D4C98 #2766CB #5287DE

Accessibility & contrast

On white

8.27

#1D4C98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1D4C98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C98

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C98	#FFFFFF	#000000	##FFFFFF
##1D4C98	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	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: #1d4c98;
/* rgb */ color: rgb(29, 76, 152);
/* oklch */ color: oklch(43.0% 0.135 259.7);

Tailwind

colors: {
  custom: {
    50: '#6e7db7',
    500: '#1d4c98',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c98;
$custom-light: #6e7db7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c98",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 152
  },
  "hsl": {
    "h": 217.073,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42958,
    "c": 0.13478,
    "h": 259.7
  },
  "luminance": 0.07697
}

Semantic roles & 50–950 ramp

primary

#1D4C98

secondary

#C19650

accent

#A83DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4C98

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

Preview Lab → · Contrast checker → · Palette generator →