#1B49A0#1B49A0

#1B49A0 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.9% C 0.150 H 261.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B49A0
RGB	rgb(27, 73, 160)
HSL	hsl(219, 71%, 37%)
HSV	hsv(219, 83%, 63%)
CMYK	cmyk(83.1%, 54.4%, 0%, 37.3%)
CIE-LAB	lab(33.00, 18.20, -51.51)
CIE-LCH	lch(33.00, 54.63, 289.46°)
OKLab	oklab(42.86% -0.022 -0.1486)
OKLCH	oklch(42.86% 0.15 261.6)
XYZ	xyz(9.1774, 7.5350, 34.2216)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B49A0 #A0721B

analogous

#1B8CA0 #1B49A0 #301BA0

triadic

#1B49A0 #A01B49 #49A01B

tetradic

#1B49A0 #A01B8C #A0721B #1BA030

square

#1B49A0 #A01B8C #A0721B #1BA030

split-complementary

#1B49A0 #A0301B #8CA01B

monochromatic

#091937 #12316C #1B49A0 #2461D4 #5385E2

Accessibility & contrast

On white

8.38

#1B49A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B49A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B49A0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B49A0	#FFFFFF	#000000	##FFFFFF
##1B49A0	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A3

Deuteranopia (green-blind)

#00489E

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b49a0;
/* rgb */ color: rgb(27, 73, 160);
/* oklch */ color: oklch(42.9% 0.150 261.6);

Tailwind

colors: {
  custom: {
    50: '#6f7bbd',
    500: '#1b49a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b49a0;
$custom-light: #6f7bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b49a0",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 160
  },
  "hsl": {
    "h": 219.248,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42861,
    "c": 0.15021,
    "h": 261.6
  },
  "luminance": 0.07536
}

Semantic roles & 50–950 ramp

primary

#1B49A0

secondary

#C59D52

accent

#B03AEE

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1B49A0

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

Preview Lab → · Contrast checker → · Palette generator →