#1B4C92#1B4C92

#1B4C92 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.4% C 0.127 H 258.1°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C92
RGB	rgb(27, 76, 146)
HSL	hsl(215, 69%, 34%)
HSV	hsv(215, 82%, 57%)
CMYK	cmyk(81.5%, 47.9%, 0%, 42.7%)
CIE-LAB	lab(32.87, 10.50, -43.23)
CIE-LCH	lch(32.87, 44.49, 283.66°)
OKLab	oklab(42.44% -0.0262 -0.1242)
OKLCH	oklch(42.44% 0.127 258.1)
XYZ	xyz(8.2228, 7.4762, 28.1982)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C92 #92611B

analogous

#1B8892 #1B4C92 #261B92

triadic

#1B4C92 #921B4C #4C921B

tetradic

#1B4C92 #921B88 #92611B #1B9226

square

#1B4C92 #921B88 #92611B #1B9226

split-complementary

#1B4C92 #92261B #88921B

monochromatic

#08162B #11315E #1B4C92 #2567C6 #4A87DE

Accessibility & contrast

On white

8.42

#1B4C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1B4C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C92

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C92	#FFFFFF	#000000	##FFFFFF
##1B4C92	1.00	8.42	2.50	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255395

Deuteranopia (green-blind)

#024891

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4c92;
/* rgb */ color: rgb(27, 76, 146);
/* oklch */ color: oklch(42.4% 0.127 258.1);

Tailwind

colors: {
  custom: {
    50: '#6c7db2',
    500: '#1b4c92',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c92;
$custom-light: #6c7db2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c92",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 146
  },
  "hsl": {
    "h": 215.294,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42443,
    "c": 0.12691,
    "h": 258.1
  },
  "luminance": 0.07477
}

Semantic roles & 50–950 ramp

primary

#1B4C92

secondary

#BF8F49

accent

#A33CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4C92

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

Preview Lab → · Contrast checker → · Palette generator →