#1D498B#1D498B

#1D498B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.3% C 0.120 H 258.6°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1D498B
RGB	rgb(29, 73, 139)
HSL	hsl(216, 65%, 33%)
HSV	hsv(216, 79%, 55%)
CMYK	cmyk(79.1%, 47.5%, 0%, 45.5%)
CIE-LAB	lab(31.55, 9.94, -41.05)
CIE-LCH	lch(31.55, 42.24, 283.61°)
OKLab	oklab(41.3% -0.0237 -0.1178)
OKLCH	oklch(41.3% 0.12 258.6)
XYZ	xyz(7.5477, 6.8895, 25.3531)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D498B #8B5F1D

analogous

#1D808B #1D498B #281D8B

triadic

#1D498B #8B1D49 #498B1D

tetradic

#1D498B #8B1D80 #8B5F1D #1D8B28

square

#1D498B #8B1D80 #8B5F1D #1D8B28

split-complementary

#1D498B #8B281D #808B1D

monochromatic

#081426 #122E58 #1D498B #2864BE #4983D9

Accessibility & contrast

On white

8.83

#1D498B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1D498B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D498B

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D498B	#FFFFFF	#000000	##FFFFFF
##1D498B	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508D

Deuteranopia (green-blind)

#0A468A

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d498b;
/* rgb */ color: rgb(29, 73, 139);
/* oklch */ color: oklch(41.3% 0.120 258.6);

Tailwind

colors: {
  custom: {
    50: '#6b7bad',
    500: '#1d498b',
    950: '#000000',
  },
}

SCSS

$custom: #1d498b;
$custom-light: #6b7bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d498b",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 139
  },
  "hsl": {
    "h": 216,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.41297,
    "c": 0.12016,
    "h": 258.6
  },
  "luminance": 0.0689
}

Semantic roles & 50–950 ramp

primary

#1D498B

secondary

#BB8D49

accent

#A53FE8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D498B

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

Preview Lab → · Contrast checker → · Palette generator →