#1B4893#1B4893

#1B4893 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.6% C 0.133 H 260.1°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B4893
RGB	rgb(27, 72, 147)
HSL	hsl(218, 69%, 34%)
HSV	hsv(218, 82%, 58%)
CMYK	cmyk(81.6%, 51%, 0%, 42.4%)
CIE-LAB	lab(31.75, 13.63, -45.65)
CIE-LCH	lch(31.75, 47.64, 286.62°)
OKLab	oklab(41.6% -0.0228 -0.1314)
OKLCH	oklch(41.6% 0.133 260.1)
XYZ	xyz(8.0339, 6.9734, 28.5207)
Luminance	0.0697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4893 #93661B

analogous

#1B8493 #1B4893 #2A1B93

triadic

#1B4893 #931B48 #48931B

tetradic

#1B4893 #931B84 #93661B #1B932A

square

#1B4893 #931B84 #93661B #1B932A

split-complementary

#1B4893 #932A1B #84931B

monochromatic

#08152C #122F5F #1B4893 #2461C7 #4B82DE

Accessibility & contrast

On white

8.77

#1B4893 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1B4893 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4893

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4893	#FFFFFF	#000000	##FFFFFF
##1B4893	1.00	8.77	2.39	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A5096

Deuteranopia (green-blind)

#004692

Tritanopia (blue-blind)

#005A66

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4893;
/* rgb */ color: rgb(27, 72, 147);
/* oklch */ color: oklch(41.6% 0.133 260.1);

Tailwind

colors: {
  custom: {
    50: '#6c7ab3',
    500: '#1b4893',
    950: '#000000',
  },
}

SCSS

$custom: #1b4893;
$custom-light: #6c7ab3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4893",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 147
  },
  "hsl": {
    "h": 217.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41604,
    "c": 0.13334,
    "h": 260.1
  },
  "luminance": 0.06974
}

Semantic roles & 50–950 ramp

primary

#1B4893

secondary

#C0944A

accent

#AA3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4893

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

Preview Lab → · Contrast checker → · Palette generator →