#1D4490#1D4490

#1D4490 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.134 H 261.9°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D4490
RGB	rgb(29, 68, 144)
HSL	hsl(220, 66%, 34%)
HSV	hsv(220, 80%, 56%)
CMYK	cmyk(79.9%, 52.8%, 0%, 43.5%)
CIE-LAB	lab(30.42, 15.38, -45.95)
CIE-LCH	lch(30.42, 48.46, 288.50°)
OKLab	oklab(40.54% -0.0187 -0.1323)
OKLCH	oklch(40.54% 0.134 261.9)
XYZ	xyz(7.6060, 6.4082, 27.2162)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4490 #90691D

analogous

#1D7E90 #1D4490 #301D90

triadic

#1D4490 #901D44 #44901D

tetradic

#1D4490 #901D7E #90691D #1D9030

square

#1D4490 #901D7E #90691D #1D9030

split-complementary

#1D4490 #90301D #7E901D

monochromatic

#08142A #132C5D #1D4490 #275CC3 #4C7DDB

Accessibility & contrast

On white

9.20

#1D4490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1D4490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4490

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4490	#FFFFFF	#000000	##FFFFFF
##1D4490	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114D93

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4490;
/* rgb */ color: rgb(29, 68, 144);
/* oklch */ color: oklch(40.5% 0.134 261.9);

Tailwind

colors: {
  custom: {
    50: '#6c77b1',
    500: '#1d4490',
    950: '#000000',
  },
}

SCSS

$custom: #1d4490;
$custom-light: #6c77b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4490",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 144
  },
  "hsl": {
    "h": 219.652,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4054,
    "c": 0.13364,
    "h": 261.9
  },
  "luminance": 0.06409
}

Semantic roles & 50–950 ramp

primary

#1D4490

secondary

#BD974B

accent

#AF3EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4490

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

Preview Lab → · Contrast checker → · Palette generator →