#1B418E#1B418E

#1B418E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.6% C 0.135 H 262.3°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#1B418E
RGB	rgb(27, 65, 142)
HSL	hsl(220, 68%, 33%)
HSV	hsv(220, 81%, 56%)
CMYK	cmyk(81%, 54.2%, 0%, 44.3%)
CIE-LAB	lab(29.33, 16.41, -46.50)
CIE-LCH	lch(29.33, 49.31, 289.44°)
OKLab	oklab(39.64% -0.0181 -0.134)
OKLCH	oklch(39.64% 0.135 262.3)
XYZ	xyz(7.2230, 5.9658, 26.3568)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B418E #8E681B

analogous

#1B7A8E #1B418E #2E1B8E

triadic

#1B418E #8E1B41 #418E1B

tetradic

#1B418E #8E1B7A #8E681B #1B8E2E

square

#1B418E #8E1B7A #8E681B #1B8E2E

split-complementary

#1B418E #8E2E1B #7A8E1B

monochromatic

#071227 #11295B #1B418E #2559C1 #4778DC

Accessibility & contrast

On white

9.57

#1B418E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1B418E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B418E

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B418E	#FFFFFF	#000000	##FFFFFF
##1B418E	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064B91

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1b418e;
/* rgb */ color: rgb(27, 65, 142);
/* oklch */ color: oklch(39.6% 0.135 262.3);

Tailwind

colors: {
  custom: {
    50: '#6b75b0',
    500: '#1b418e',
    950: '#000000',
  },
}

SCSS

$custom: #1b418e;
$custom-light: #6b75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b418e",
  "rgb": {
    "r": 27,
    "g": 65,
    "b": 142
  },
  "hsl": {
    "h": 220.174,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.39641,
    "c": 0.13522,
    "h": 262.3
  },
  "luminance": 0.05967
}

Semantic roles & 50–950 ramp

primary

#1B418E

secondary

#BE9747

accent

#B13DEB

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1B418E

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

Preview Lab → · Contrast checker → · Palette generator →