#1D448A#1D448A

#1D448A is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.125 H 261.0°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D448A
RGB	rgb(29, 68, 138)
HSL	hsl(219, 65%, 33%)
HSV	hsv(219, 79%, 54%)
CMYK	cmyk(79%, 50.7%, 0%, 45.9%)
CIE-LAB	lab(29.98, 12.96, -42.96)
CIE-LCH	lch(29.98, 44.87, 286.78°)
OKLab	oklab(40.07% -0.0195 -0.1235)
OKLCH	oklch(40.07% 0.125 261)
XYZ	xyz(7.1596, 6.2296, 24.8649)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D448A #8A631D

analogous

#1D7A8A #1D448A #2C1D8A

triadic

#1D448A #8A1D44 #448A1D

tetradic

#1D448A #8A1D7A #8A631D #1D8A2C

square

#1D448A #8A1D7A #8A631D #1D8A2C

split-complementary

#1D448A #8A2C1D #7A8A1D

monochromatic

#081225 #122B57 #1D448A #285DBD #497CD9

Accessibility & contrast

On white

9.35

#1D448A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D448A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D448A

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D448A	#FFFFFF	#000000	##FFFFFF
##1D448A	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4C8D

Deuteranopia (green-blind)

#004289

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d448a;
/* rgb */ color: rgb(29, 68, 138);
/* oklch */ color: oklch(40.1% 0.125 261.0);

Tailwind

colors: {
  custom: {
    50: '#6a77ad',
    500: '#1d448a',
    950: '#000000',
  },
}

SCSS

$custom: #1d448a;
$custom-light: #6a77ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d448a",
  "rgb": {
    "r": 29,
    "g": 68,
    "b": 138
  },
  "hsl": {
    "h": 218.532,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40069,
    "c": 0.12507,
    "h": 261
  },
  "luminance": 0.0623
}

Semantic roles & 50–950 ramp

primary

#1D448A

secondary

#BB9248

accent

#AC40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D448A

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

Preview Lab → · Contrast checker → · Palette generator →