#1D4E98#1D4E98

#1D4E98 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.4% C 0.132 H 258.8°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1D4E98
RGB	rgb(29, 78, 152)
HSL	hsl(216, 68%, 35%)
HSV	hsv(216, 81%, 60%)
CMYK	cmyk(80.9%, 48.7%, 0%, 40.4%)
CIE-LAB	lab(33.93, 11.79, -45.16)
CIE-LCH	lch(33.93, 46.67, 284.64°)
OKLab	oklab(43.41% -0.0256 -0.1298)
OKLCH	oklch(43.41% 0.132 258.8)
XYZ	xyz(8.8965, 7.9759, 30.7703)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4E98 #98671D

analogous

#1D8B98 #1D4E98 #2A1D98

triadic

#1D4E98 #981D4E #4E981D

tetradic

#1D4E98 #981D8B #98671D #1D982A

square

#1D4E98 #981D8B #98671D #1D982A

split-complementary

#1D4E98 #982A1D #8B981D

monochromatic

#091931 #133465 #1D4E98 #2768CB #5289DE

Accessibility & contrast

On white

8.09

#1D4E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1D4E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4E98

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4E98	#FFFFFF	#000000	##FFFFFF
##1D4E98	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24569B

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#00606B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d4e98;
/* rgb */ color: rgb(29, 78, 152);
/* oklch */ color: oklch(43.4% 0.132 258.8);

Tailwind

colors: {
  custom: {
    50: '#6e7fb7',
    500: '#1d4e98',
    950: '#000000',
  },
}

SCSS

$custom: #1d4e98;
$custom-light: #6e7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4e98",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 152
  },
  "hsl": {
    "h": 216.098,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43412,
    "c": 0.13227,
    "h": 258.8
  },
  "luminance": 0.07977
}

Semantic roles & 50–950 ramp

primary

#1D4E98

secondary

#C19450

accent

#A63DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D4E98

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

Preview Lab → · Contrast checker → · Palette generator →