#1D4D98#1D4D98

#1D4D98 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.134 H 259.3°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D4D98
RGB	rgb(29, 77, 152)
HSL	hsl(217, 68%, 35%)
HSV	hsv(217, 81%, 60%)
CMYK	cmyk(80.9%, 49.3%, 0%, 40.4%)
CIE-LAB	lab(33.64, 12.47, -45.63)
CIE-LCH	lch(33.64, 47.30, 285.28°)
OKLab	oklab(43.18% -0.0248 -0.1312)
OKLCH	oklch(43.18% 0.134 259.3)
XYZ	xyz(8.8260, 7.8349, 30.7468)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4D98 #98681D

analogous

#1D8B98 #1D4D98 #2A1D98

triadic

#1D4D98 #981D4D #4D981D

tetradic

#1D4D98 #981D8B #98681D #1D982A

square

#1D4D98 #981D8B #98681D #1D982A

split-complementary

#1D4D98 #982A1D #8B981D

monochromatic

#091931 #133365 #1D4D98 #2767CB #5288DE

Accessibility & contrast

On white

8.18

#1D4D98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1D4D98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4D98

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4D98	#FFFFFF	#000000	##FFFFFF
##1D4D98	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22559B

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#005F6B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d4d98;
/* rgb */ color: rgb(29, 77, 152);
/* oklch */ color: oklch(43.2% 0.134 259.3);

Tailwind

colors: {
  custom: {
    50: '#6e7eb7',
    500: '#1d4d98',
    950: '#000000',
  },
}

SCSS

$custom: #1d4d98;
$custom-light: #6e7eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4d98",
  "rgb": {
    "r": 29,
    "g": 77,
    "b": 152
  },
  "hsl": {
    "h": 216.585,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43184,
    "c": 0.13352,
    "h": 259.3
  },
  "luminance": 0.07836
}

Semantic roles & 50–950 ramp

primary

#1D4D98

secondary

#C19550

accent

#A73DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4D98

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

Preview Lab → · Contrast checker → · Palette generator →