#1B4795#1B4795

#1B4795 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.137 H 260.9°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B4795
RGB	rgb(27, 71, 149)
HSL	hsl(218, 69%, 35%)
HSV	hsv(218, 82%, 58%)
CMYK	cmyk(81.9%, 52.3%, 0%, 41.6%)
CIE-LAB	lab(31.60, 15.12, -47.11)
CIE-LCH	lch(31.60, 49.47, 287.80°)
OKLab	oklab(41.54% -0.0218 -0.1357)
OKLCH	oklch(41.54% 0.137 260.9)
XYZ	xyz(8.1281, 6.9084, 29.3330)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4795 #95691B

analogous

#1B8495 #1B4795 #2C1B95

triadic

#1B4795 #951B47 #47951B

tetradic

#1B4795 #951B84 #95691B #1B952C

square

#1B4795 #951B84 #95691B #1B952C

split-complementary

#1B4795 #952C1B #84951B

monochromatic

#08162D #122E61 #1B4795 #2460C9 #4C81DF

Accessibility & contrast

On white

8.82

#1B4795 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1B4795 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4795

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4795	#FFFFFF	#000000	##FFFFFF
##1B4795	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#135098

Deuteranopia (green-blind)

#004593

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4795;
/* rgb */ color: rgb(27, 71, 149);
/* oklch */ color: oklch(41.5% 0.137 260.9);

Tailwind

colors: {
  custom: {
    50: '#6c79b5',
    500: '#1b4795',
    950: '#000000',
  },
}

SCSS

$custom: #1b4795;
$custom-light: #6c79b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4795",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 149
  },
  "hsl": {
    "h": 218.361,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.41537,
    "c": 0.13742,
    "h": 260.9
  },
  "luminance": 0.06909
}

Semantic roles & 50–950 ramp

primary

#1B4795

secondary

#C1964B

accent

#AC3CEC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1B4795

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

Preview Lab → · Contrast checker → · Palette generator →