#1D4590#1D4590

#1D4590 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.132 H 261.5°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D4590
RGB	rgb(29, 69, 144)
HSL	hsl(219, 66%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(79.9%, 52.1%, 0%, 43.5%)
CIE-LAB	lab(30.71, 14.69, -45.48)
CIE-LCH	lch(30.71, 47.79, 287.90°)
OKLab	oklab(40.76% -0.0195 -0.1309)
OKLCH	oklch(40.76% 0.132 261.5)
XYZ	xyz(7.6670, 6.5302, 27.2365)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4590 #90681D

analogous

#1D7F90 #1D4590 #2E1D90

triadic

#1D4590 #901D45 #45901D

tetradic

#1D4590 #901D7F #90681D #1D902E

square

#1D4590 #901D7F #90681D #1D902E

split-complementary

#1D4590 #902E1D #7F901D

monochromatic

#08142A #132D5D #1D4590 #275DC3 #4C7EDB

Accessibility & contrast

On white

9.11

#1D4590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D4590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4590

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4590	#FFFFFF	#000000	##FFFFFF
##1D4590	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154E93

Deuteranopia (green-blind)

#00438F

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4590;
/* rgb */ color: rgb(29, 69, 144);
/* oklch */ color: oklch(40.8% 0.132 261.5);

Tailwind

colors: {
  custom: {
    50: '#6c78b1',
    500: '#1d4590',
    950: '#000000',
  },
}

SCSS

$custom: #1d4590;
$custom-light: #6c78b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4590",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 144
  },
  "hsl": {
    "h": 219.13,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40764,
    "c": 0.13235,
    "h": 261.5
  },
  "luminance": 0.06531
}

Semantic roles & 50–950 ramp

primary

#1D4590

secondary

#BD964B

accent

#AE3EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4590

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

Preview Lab → · Contrast checker → · Palette generator →