#1D4A98#1D4A98

#1D4A98 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.5% C 0.137 H 260.6°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A98
RGB	rgb(29, 74, 152)
HSL	hsl(218, 68%, 35%)
HSV	hsv(218, 81%, 60%)
CMYK	cmyk(80.9%, 51.3%, 0%, 40.4%)
CIE-LAB	lab(32.75, 14.50, -47.06)
CIE-LCH	lch(32.75, 49.24, 287.13°)
OKLab	oklab(42.51% -0.0224 -0.1354)
OKLCH	oklch(42.51% 0.137 260.6)
XYZ	xyz(8.6209, 7.4247, 30.6784)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A98 #986B1D

analogous

#1D8798 #1D4A98 #2E1D98

triadic

#1D4A98 #981D4A #4A981D

tetradic

#1D4A98 #981D87 #986B1D #1D982E

square

#1D4A98 #981D87 #986B1D #1D982E

split-complementary

#1D4A98 #982E1D #87981D

monochromatic

#091831 #133165 #1D4A98 #2763CB #5285DE

Accessibility & contrast

On white

8.45

#1D4A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D4A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A98

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A98	#FFFFFF	#000000	##FFFFFF
##1D4A98	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19539B

Deuteranopia (green-blind)

#004896

Tritanopia (blue-blind)

#005D6A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4a98;
/* rgb */ color: rgb(29, 74, 152);
/* oklch */ color: oklch(42.5% 0.137 260.6);

Tailwind

colors: {
  custom: {
    50: '#6e7bb7',
    500: '#1d4a98',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a98;
$custom-light: #6e7bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a98",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 152
  },
  "hsl": {
    "h": 218.049,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.42508,
    "c": 0.13728,
    "h": 260.6
  },
  "luminance": 0.07426
}

Semantic roles & 50–950 ramp

primary

#1D4A98

secondary

#C19850

accent

#AB3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4A98

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

Preview Lab → · Contrast checker → · Palette generator →