#1B3E92#1B3E92

#1B3E92 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.3% C 0.145 H 263.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B3E92
RGB	rgb(27, 62, 146)
HSL	hsl(222, 69%, 34%)
HSV	hsv(222, 82%, 57%)
CMYK	cmyk(81.5%, 57.5%, 0%, 42.7%)
CIE-LAB	lab(28.78, 20.11, -49.84)
CIE-LCH	lch(28.78, 53.75, 291.97°)
OKLab	oklab(39.33% -0.0155 -0.1439)
OKLCH	oklch(39.33% 0.145 263.8)
XYZ	xyz(7.3611, 5.7527, 27.9110)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3E92 #926F1B

analogous

#1B7A92 #1B3E92 #341B92

triadic

#1B3E92 #921B3E #3E921B

tetradic

#1B3E92 #921B7A #926F1B #1B9234

square

#1B3E92 #921B7A #926F1B #1B9234

split-complementary

#1B3E92 #92341B #7A921B

monochromatic

#08122B #11285E #1B3E92 #2554C6 #4A75DE

Accessibility & contrast

On white

9.76

#1B3E92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#1B3E92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3E92

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3E92	#FFFFFF	#000000	##FFFFFF
##1B3E92	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A95

Deuteranopia (green-blind)

#003F90

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1b3e92;
/* rgb */ color: rgb(27, 62, 146);
/* oklch */ color: oklch(39.3% 0.145 263.8);

Tailwind

colors: {
  custom: {
    50: '#6c72b3',
    500: '#1b3e92',
    950: '#000000',
  },
}

SCSS

$custom: #1b3e92;
$custom-light: #6c72b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3e92",
  "rgb": {
    "r": 27,
    "g": 62,
    "b": 146
  },
  "hsl": {
    "h": 222.353,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39326,
    "c": 0.14474,
    "h": 263.8
  },
  "luminance": 0.05754
}

Semantic roles & 50–950 ramp

primary

#1B3E92

secondary

#BF9D49

accent

#B83CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B3E92

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

Preview Lab → · Contrast checker → · Palette generator →