#1B4495#1B4495

#1B4495 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.141 H 262.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1B4495
RGB	rgb(27, 68, 149)
HSL	hsl(220, 69%, 35%)
HSV	hsv(220, 82%, 58%)
CMYK	cmyk(81.9%, 54.4%, 0%, 41.6%)
CIE-LAB	lab(30.73, 17.18, -48.52)
CIE-LCH	lch(30.73, 51.47, 289.50°)
OKLab	oklab(40.87% -0.0195 -0.1399)
OKLCH	oklch(40.87% 0.141 262)
XYZ	xyz(7.9420, 6.5362, 29.2710)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4495 #956C1B

analogous

#1B8195 #1B4495 #2F1B95

triadic

#1B4495 #951B44 #44951B

tetradic

#1B4495 #951B81 #956C1B #1B952F

square

#1B4495 #951B81 #956C1B #1B952F

split-complementary

#1B4495 #952F1B #81951B

monochromatic

#08152D #122C61 #1B4495 #245CC9 #4C7DDF

Accessibility & contrast

On white

9.10

#1B4495 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1B4495 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4495

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4495	#FFFFFF	#000000	##FFFFFF
##1B4495	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034E98

Deuteranopia (green-blind)

#004393

Tritanopia (blue-blind)

#005865

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b4495;
/* rgb */ color: rgb(27, 68, 149);
/* oklch */ color: oklch(40.9% 0.141 262.0);

Tailwind

colors: {
  custom: {
    50: '#6d77b5',
    500: '#1b4495',
    950: '#000000',
  },
}

SCSS

$custom: #1b4495;
$custom-light: #6d77b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4495",
  "rgb": {
    "r": 27,
    "g": 68,
    "b": 149
  },
  "hsl": {
    "h": 219.836,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40874,
    "c": 0.14125,
    "h": 262
  },
  "luminance": 0.06537
}

Semantic roles & 50–950 ramp

primary

#1B4495

secondary

#C1994B

accent

#B13CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4495

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

Preview Lab → · Contrast checker → · Palette generator →