#1F498A#1F498A

#1F498A is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.3% C 0.118 H 259.0°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F498A
RGB	rgb(31, 73, 138)
HSL	hsl(216, 63%, 33%)
HSV	hsv(216, 78%, 54%)
CMYK	cmyk(77.5%, 47.1%, 0%, 45.9%)
CIE-LAB	lab(31.56, 9.79, -40.43)
CIE-LCH	lch(31.56, 41.60, 283.62°)
OKLab	oklab(41.3% -0.0225 -0.1159)
OKLCH	oklch(41.3% 0.118 259)
XYZ	xyz(7.5334, 6.8905, 24.9728)
Luminance	0.0689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F498A #8A601F

analogous

#1F7E8A #1F498A #2B1F8A

triadic

#1F498A #8A1F49 #498A1F

tetradic

#1F498A #8A1F7E #8A601F #1F8A2B

square

#1F498A #8A1F7E #8A601F #1F8A2B

split-complementary

#1F498A #8A2B1F #7E8A1F

monochromatic

#091426 #142F58 #1F498A #2A63BC #4C83D7

Accessibility & contrast

On white

8.83

#1F498A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1F498A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F498A

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F498A	#FFFFFF	#000000	##FFFFFF
##1F498A	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)

#274F8C

Deuteranopia (green-blind)

#0E4689

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f498a;
/* rgb */ color: rgb(31, 73, 138);
/* oklch */ color: oklch(41.3% 0.118 259.0);

Tailwind

colors: {
  custom: {
    50: '#6b7bad',
    500: '#1f498a',
    950: '#000000',
  },
}

SCSS

$custom: #1f498a;
$custom-light: #6b7bad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f498a",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 138
  },
  "hsl": {
    "h": 216.449,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.41297,
    "c": 0.1181,
    "h": 259
  },
  "luminance": 0.06891
}

Semantic roles & 50–950 ramp

primary

#1F498A

secondary

#BA8E4B

accent

#A641E6

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1F498A

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

Preview Lab → · Contrast checker → · Palette generator →