#1D408F#1D408F

#1D408F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.6% C 0.137 H 263.4°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1D408F
RGB	rgb(29, 64, 143)
HSL	hsl(222, 66%, 34%)
HSV	hsv(222, 80%, 56%)
CMYK	cmyk(79.7%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(29.18, 17.74, -47.34)
CIE-LCH	lch(29.18, 50.55, 290.54°)
OKLab	oklab(39.58% -0.0157 -0.1365)
OKLCH	oklch(39.58% 0.137 263.4)
XYZ	xyz(7.2962, 5.9103, 26.7375)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D408F #8F6C1D

analogous

#1D798F #1D408F #331D8F

triadic

#1D408F #8F1D40 #408F1D

tetradic

#1D408F #8F1D79 #8F6C1D #1D8F33

square

#1D408F #8F1D79 #8F6C1D #1D8F33

split-complementary

#1D408F #8F331D #798F1D

monochromatic

#081229 #13295C #1D408F #2757C2 #4C78DB

Accessibility & contrast

On white

9.62

#1D408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D408F

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D408F	#FFFFFF	#000000	##FFFFFF
##1D408F	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00408D

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d408f;
/* rgb */ color: rgb(29, 64, 143);
/* oklch */ color: oklch(39.6% 0.137 263.4);

Tailwind

colors: {
  custom: {
    50: '#6c74b0',
    500: '#1d408f',
    950: '#000000',
  },
}

SCSS

$custom: #1d408f;
$custom-light: #6c74b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d408f",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 221.579,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39578,
    "c": 0.13737,
    "h": 263.4
  },
  "luminance": 0.05911
}

Semantic roles & 50–950 ramp

primary

#1D408F

secondary

#BD9A4B

accent

#B53FE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D408F

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

Preview Lab → · Contrast checker → · Palette generator →