#1F49A0#1F49A0

#1F49A0 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.0% C 0.149 H 262.5°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F49A0
RGB	rgb(31, 73, 160)
HSL	hsl(220, 68%, 37%)
HSV	hsv(220, 81%, 63%)
CMYK	cmyk(80.6%, 54.4%, 0%, 37.3%)
CIE-LAB	lab(33.12, 18.59, -51.30)
CIE-LCH	lch(33.12, 54.56, 289.92°)
OKLab	oklab(42.99% -0.0194 -0.1479)
OKLCH	oklch(42.99% 0.149 262.5)
XYZ	xyz(9.2905, 7.5934, 34.2269)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F49A0 #A0761F

analogous

#1F8AA0 #1F49A0 #351FA0

triadic

#1F49A0 #A01F49 #49A01F

tetradic

#1F49A0 #A01F8A #A0761F #1FA035

square

#1F49A0 #A01F8A #A0761F #1FA035

split-complementary

#1F49A0 #A0351F #8AA01F

monochromatic

#0B1A39 #15326D #1F49A0 #2960D3 #5A86DF

Accessibility & contrast

On white

8.34

#1F49A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1F49A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F49A0

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F49A0	#FFFFFF	#000000	##FFFFFF
##1F49A0	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0154A3

Deuteranopia (green-blind)

#00489E

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f49a0;
/* rgb */ color: rgb(31, 73, 160);
/* oklch */ color: oklch(43.0% 0.149 262.5);

Tailwind

colors: {
  custom: {
    50: '#707bbd',
    500: '#1f49a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f49a0;
$custom-light: #707bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f49a0",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 160
  },
  "hsl": {
    "h": 220.465,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42993,
    "c": 0.14917,
    "h": 262.5
  },
  "luminance": 0.07594
}

Semantic roles & 50–950 ramp

primary

#1F49A0

secondary

#C3A058

accent

#B23DEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1F49A0

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

Preview Lab → · Contrast checker → · Palette generator →