#1D4385#1D4385

#1D4385 is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.5% C 0.119 H 260.6°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D4385
RGB	rgb(29, 67, 133)
HSL	hsl(218, 64%, 32%)
HSV	hsv(218, 78%, 52%)
CMYK	cmyk(78.2%, 49.6%, 0%, 47.8%)
CIE-LAB	lab(29.33, 11.62, -40.92)
CIE-LCH	lch(29.33, 42.54, 285.85°)
OKLab	oklab(39.46% -0.0195 -0.1175)
OKLCH	oklch(39.46% 0.119 260.6)
XYZ	xyz(6.7460, 5.9682, 22.9822)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4385 #855F1D

analogous

#1D7785 #1D4385 #2B1D85

triadic

#1D4385 #851D43 #43851D

tetradic

#1D4385 #851D77 #855F1D #1D852B

square

#1D4385 #851D77 #855F1D #1D852B

split-complementary

#1D4385 #852B1D #77851D

monochromatic

#071021 #122A53 #1D4385 #285CB7 #467BD7

Accessibility & contrast

On white

9.57

#1D4385 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1D4385 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4385

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4385	#FFFFFF	#000000	##FFFFFF
##1D4385	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4A87

Deuteranopia (green-blind)

#004184

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d4385;
/* rgb */ color: rgb(29, 67, 133);
/* oklch */ color: oklch(39.5% 0.119 260.6);

Tailwind

colors: {
  custom: {
    50: '#6976a9',
    500: '#1d4385',
    950: '#000000',
  },
}

SCSS

$custom: #1d4385;
$custom-light: #6976a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4385",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 133
  },
  "hsl": {
    "h": 218.077,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.39456,
    "c": 0.11914,
    "h": 260.6
  },
  "luminance": 0.05969
}

Semantic roles & 50–950 ramp

primary

#1D4385

secondary

#B88E46

accent

#AA41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4385

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

Preview Lab → · Contrast checker → · Palette generator →