#1F49A7#1F49A7

#1F49A7 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.159 H 263.2°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F49A7
RGB	rgb(31, 73, 167)
HSL	hsl(221, 69%, 39%)
HSV	hsv(221, 81%, 65%)
CMYK	cmyk(81.4%, 56.3%, 0%, 34.5%)
CIE-LAB	lab(33.66, 21.37, -54.63)
CIE-LCH	lch(33.66, 58.66, 291.36°)
OKLab	oklab(43.57% -0.0188 -0.1577)
OKLCH	oklch(43.57% 0.159 263.2)
XYZ	xyz(9.9202, 7.8452, 37.5432)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F49A7 #A77D1F

analogous

#1F8DA7 #1F49A7 #391FA7

triadic

#1F49A7 #A71F49 #49A71F

tetradic

#1F49A7 #A71F8D #A77D1F #1FA739

square

#1F49A7 #A71F8D #A77D1F #1FA739

split-complementary

#1F49A7 #A7391F #8DA71F

monochromatic

#0C1C40 #153273 #1F49A7 #2B61D8 #5F87E1

Accessibility & contrast

On white

8.17

#1F49A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1F49A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F49A7

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F49A7	#FFFFFF	#000000	##FFFFFF
##1F49A7	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AA

Deuteranopia (green-blind)

#0049A5

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1f49a7;
/* rgb */ color: rgb(31, 73, 167);
/* oklch */ color: oklch(43.6% 0.159 263.2);

Tailwind

colors: {
  custom: {
    50: '#727bc2',
    500: '#1f49a7',
    950: '#000000',
  },
}

SCSS

$custom: #1f49a7;
$custom-light: #727bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f49a7",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 167
  },
  "hsl": {
    "h": 221.471,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.43569,
    "c": 0.15881,
    "h": 263.2
  },
  "luminance": 0.07846
}

Semantic roles & 50–950 ramp

primary

#1F49A7

secondary

#C6A55C

accent

#B53CEC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1F49A7

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

Preview Lab → · Contrast checker → · Palette generator →