#1B498D#1B498D

#1B498D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.124 H 258.5°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B498D
RGB	rgb(27, 73, 141)
HSL	hsl(216, 68%, 33%)
HSV	hsv(216, 81%, 55%)
CMYK	cmyk(80.9%, 48.2%, 0%, 44.7%)
CIE-LAB	lab(31.62, 10.51, -42.17)
CIE-LCH	lch(31.62, 43.46, 284.00°)
OKLab	oklab(41.38% -0.0246 -0.1211)
OKLCH	oklch(41.38% 0.124 258.5)
XYZ	xyz(7.6405, 6.9203, 26.1272)
Luminance	0.0692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B498D #8D5F1B

analogous

#1B828D #1B498D #261B8D

triadic

#1B498D #8D1B49 #498D1B

tetradic

#1B498D #8D1B82 #8D5F1B #1B8D26

square

#1B498D #8D1B82 #8D5F1B #1B8D26

split-complementary

#1B498D #8D261B #828D1B

monochromatic

#071426 #112E5A #1B498D #2564C0 #4783DC

Accessibility & contrast

On white

8.81

#1B498D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B498D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B498D

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B498D	#FFFFFF	#000000	##FFFFFF
##1B498D	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245090

Deuteranopia (green-blind)

#02468C

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b498d;
/* rgb */ color: rgb(27, 73, 141);
/* oklch */ color: oklch(41.4% 0.124 258.5);

Tailwind

colors: {
  custom: {
    50: '#6a7baf',
    500: '#1b498d',
    950: '#000000',
  },
}

SCSS

$custom: #1b498d;
$custom-light: #6a7baf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b498d",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 141
  },
  "hsl": {
    "h": 215.789,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.41377,
    "c": 0.1236,
    "h": 258.5
  },
  "luminance": 0.06921
}

Semantic roles & 50–950 ramp

primary

#1B498D

secondary

#BD8D46

accent

#A53DEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1B498D

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

Preview Lab → · Contrast checker → · Palette generator →