#1F49A6#1F49A6

#1F49A6 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.157 H 263.1°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F49A6
RGB	rgb(31, 73, 166)
HSL	hsl(221, 69%, 39%)
HSV	hsv(221, 81%, 65%)
CMYK	cmyk(81.3%, 56%, 0%, 34.9%)
CIE-LAB	lab(33.58, 20.97, -54.15)
CIE-LCH	lch(33.58, 58.07, 291.17°)
OKLab	oklab(43.49% -0.0188 -0.1563)
OKLCH	oklch(43.49% 0.157 263.1)
XYZ	xyz(9.8281, 7.8084, 37.0582)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F49A6 #A67C1F

analogous

#1F8CA6 #1F49A6 #381FA6

triadic

#1F49A6 #A61F49 #49A61F

tetradic

#1F49A6 #A61F8C #A67C1F #1FA638

square

#1F49A6 #A61F8C #A67C1F #1FA638

split-complementary

#1F49A6 #A6381F #8CA61F

monochromatic

#0C1C3F #153272 #1F49A6 #2B61D7 #5E87E1

Accessibility & contrast

On white

8.20

#1F49A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1F49A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F49A6

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F49A6	#FFFFFF	#000000	##FFFFFF
##1F49A6	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#0049A4

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f49a6;
/* rgb */ color: rgb(31, 73, 166);
/* oklch */ color: oklch(43.5% 0.157 263.1);

Tailwind

colors: {
  custom: {
    50: '#727bc1',
    500: '#1f49a6',
    950: '#000000',
  },
}

SCSS

$custom: #1f49a6;
$custom-light: #727bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f49a6",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 166
  },
  "hsl": {
    "h": 221.333,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43485,
    "c": 0.15745,
    "h": 263.1
  },
  "luminance": 0.0781
}

Semantic roles & 50–950 ramp

primary

#1F49A6

secondary

#C5A45B

accent

#B53CEB

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1F49A6

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

Preview Lab → · Contrast checker → · Palette generator →