#1D438A#1D438A

#1D438A is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.126 H 261.5°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#1D438A
RGB	rgb(29, 67, 138)
HSL	hsl(219, 65%, 33%)
HSV	hsv(219, 79%, 54%)
CMYK	cmyk(79%, 51.4%, 0%, 45.9%)
CIE-LAB	lab(29.69, 13.64, -43.44)
CIE-LCH	lch(29.69, 45.53, 287.44°)
OKLab	oklab(39.84% -0.0187 -0.125)
OKLCH	oklch(39.84% 0.126 261.5)
XYZ	xyz(7.0996, 6.1097, 24.8449)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D438A #8A641D

analogous

#1D798A #1D438A #2E1D8A

triadic

#1D438A #8A1D43 #438A1D

tetradic

#1D438A #8A1D79 #8A641D #1D8A2E

square

#1D438A #8A1D79 #8A641D #1D8A2E

split-complementary

#1D438A #8A2E1D #798A1D

monochromatic

#081225 #122A57 #1D438A #285CBD #497BD9

Accessibility & contrast

On white

9.45

#1D438A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1D438A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D438A

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D438A	#FFFFFF	#000000	##FFFFFF
##1D438A	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184B8D

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d438a;
/* rgb */ color: rgb(29, 67, 138);
/* oklch */ color: oklch(39.8% 0.126 261.5);

Tailwind

colors: {
  custom: {
    50: '#6b76ad',
    500: '#1d438a',
    950: '#000000',
  },
}

SCSS

$custom: #1d438a;
$custom-light: #6b76ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d438a",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 138
  },
  "hsl": {
    "h": 219.083,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.39842,
    "c": 0.12635,
    "h": 261.5
  },
  "luminance": 0.0611
}

Semantic roles & 50–950 ramp

primary

#1D438A

secondary

#BB9348

accent

#AD40E8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D438A

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

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