#1B49A6#1B49A6

#1B49A6 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.4% C 0.158 H 262.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#1B49A6
RGB	rgb(27, 73, 166)
HSL	hsl(220, 72%, 38%)
HSV	hsv(220, 84%, 65%)
CMYK	cmyk(83.7%, 56%, 0%, 34.9%)
CIE-LAB	lab(33.46, 20.60, -54.36)
CIE-LCH	lch(33.46, 58.13, 290.76°)
OKLab	oklab(43.36% -0.0214 -0.157)
OKLCH	oklch(43.36% 0.158 262.2)
XYZ	xyz(9.7150, 7.7501, 37.0529)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B49A6 #A6781B

analogous

#1B8EA6 #1B49A6 #321BA6

triadic

#1B49A6 #A61B49 #49A61B

tetradic

#1B49A6 #A61B8E #A6781B #1BA632

square

#1B49A6 #A61B8E #A6781B #1BA632

split-complementary

#1B49A6 #A6321B #8EA61B

monochromatic

#0A1B3D #123271 #1B49A6 #2460DB #5886E4

Accessibility & contrast

On white

8.23

#1B49A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1B49A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B49A6

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B49A6	#FFFFFF	#000000	##FFFFFF
##1B49A6	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	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: #1b49a6;
/* rgb */ color: rgb(27, 73, 166);
/* oklch */ color: oklch(43.4% 0.158 262.2);

Tailwind

colors: {
  custom: {
    50: '#717bc1',
    500: '#1b49a6',
    950: '#000000',
  },
}

SCSS

$custom: #1b49a6;
$custom-light: #717bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b49a6",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 166
  },
  "hsl": {
    "h": 220.144,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.43357,
    "c": 0.15843,
    "h": 262.2
  },
  "luminance": 0.07751
}

Semantic roles & 50–950 ramp

primary

#1B49A6

secondary

#C7A256

accent

#B339EF

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1B49A6

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

Preview Lab → · Contrast checker → · Palette generator →