#1D4284#1D4284

#1D4284 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.119 H 260.9°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D4284
RGB	rgb(29, 66, 132)
HSL	hsl(218, 64%, 32%)
HSV	hsv(218, 78%, 52%)
CMYK	cmyk(78%, 50%, 0%, 48.2%)
CIE-LAB	lab(28.96, 11.91, -40.90)
CIE-LCH	lch(28.96, 42.60, 286.23°)
OKLab	oklab(39.15% -0.0187 -0.1175)
OKLCH	oklch(39.15% 0.119 260.9)
XYZ	xyz(6.6183, 5.8228, 22.6004)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4284 #845F1D

analogous

#1D7684 #1D4284 #2C1D84

triadic

#1D4284 #841D42 #42841D

tetradic

#1D4284 #841D76 #845F1D #1D842C

square

#1D4284 #841D76 #845F1D #1D842C

split-complementary

#1D4284 #842C1D #76841D

monochromatic

#071020 #122952 #1D4284 #285BB6 #4579D6

Accessibility & contrast

On white

9.70

#1D4284 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1D4284 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4284

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4284	#FFFFFF	#000000	##FFFFFF
##1D4284	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C4986

Deuteranopia (green-blind)

#004083

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1d4284;
/* rgb */ color: rgb(29, 66, 132);
/* oklch */ color: oklch(39.1% 0.119 260.9);

Tailwind

colors: {
  custom: {
    50: '#6975a8',
    500: '#1d4284',
    950: '#000000',
  },
}

SCSS

$custom: #1d4284;
$custom-light: #6975a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4284",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 132
  },
  "hsl": {
    "h": 218.447,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39149,
    "c": 0.11898,
    "h": 260.9
  },
  "luminance": 0.05824
}

Semantic roles & 50–950 ramp

primary

#1D4284

secondary

#B78E46

accent

#AB41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1D4284

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

Preview Lab → · Contrast checker → · Palette generator →