#1D4B95#1D4B95

#1D4B95 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.5% C 0.132 H 259.7°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D4B95
RGB	rgb(29, 75, 149)
HSL	hsl(217, 67%, 35%)
HSV	hsv(217, 81%, 58%)
CMYK	cmyk(80.5%, 49.7%, 0%, 41.6%)
CIE-LAB	lab(32.84, 12.61, -45.10)
CIE-LCH	lch(32.84, 46.83, 285.62°)
OKLab	oklab(42.5% -0.0237 -0.1297)
OKLCH	oklch(42.5% 0.132 259.7)
XYZ	xyz(8.4456, 7.4623, 29.4232)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4B95 #95671D

analogous

#1D8795 #1D4B95 #2B1D95

triadic

#1D4B95 #951D4B #4B951D

tetradic

#1D4B95 #951D87 #95671D #1D952B

square

#1D4B95 #951D87 #95671D #1D952B

split-complementary

#1D4B95 #952B1D #87951D

monochromatic

#09172F #133162 #1D4B95 #2765C8 #5086DD

Accessibility & contrast

On white

8.42

#1D4B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D4B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4B95

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4B95	#FFFFFF	#000000	##FFFFFF
##1D4B95	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#205398

Deuteranopia (green-blind)

#004894

Tritanopia (blue-blind)

#005D69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4b95;
/* rgb */ color: rgb(29, 75, 149);
/* oklch */ color: oklch(42.5% 0.132 259.7);

Tailwind

colors: {
  custom: {
    50: '#6d7cb5',
    500: '#1d4b95',
    950: '#000000',
  },
}

SCSS

$custom: #1d4b95;
$custom-light: #6d7cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4b95",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 149
  },
  "hsl": {
    "h": 217,
    "s": 67.416,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42503,
    "c": 0.13181,
    "h": 259.7
  },
  "luminance": 0.07463
}

Semantic roles & 50–950 ramp

primary

#1D4B95

secondary

#C0944E

accent

#A83DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4B95

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

Preview Lab → · Contrast checker → · Palette generator →