#1D418B#1D418B

#1D418B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.130 H 262.5°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D418B
RGB	rgb(29, 65, 139)
HSL	hsl(220, 65%, 33%)
HSV	hsv(220, 79%, 55%)
CMYK	cmyk(79.1%, 53.2%, 0%, 45.5%)
CIE-LAB	lab(29.17, 15.43, -44.89)
CIE-LCH	lch(29.17, 47.47, 288.97°)
OKLab	oklab(39.47% -0.0169 -0.1293)
OKLCH	oklch(39.47% 0.13 262.5)
XYZ	xyz(7.0555, 5.9051, 25.1890)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D418B #8B671D

analogous

#1D788B #1D418B #301D8B

triadic

#1D418B #8B1D41 #418B1D

tetradic

#1D418B #8B1D78 #8B671D #1D8B30

square

#1D418B #8B1D78 #8B671D #1D8B30

split-complementary

#1D418B #8B301D #788B1D

monochromatic

#081226 #122958 #1D418B #2859BE #4978D9

Accessibility & contrast

On white

9.63

#1D418B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1D418B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D418B

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D418B	#FFFFFF	#000000	##FFFFFF
##1D418B	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F4A8E

Deuteranopia (green-blind)

#00408A

Tritanopia (blue-blind)

#00535F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1d418b;
/* rgb */ color: rgb(29, 65, 139);
/* oklch */ color: oklch(39.5% 0.130 262.5);

Tailwind

colors: {
  custom: {
    50: '#6b75ad',
    500: '#1d418b',
    950: '#000000',
  },
}

SCSS

$custom: #1d418b;
$custom-light: #6b75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d418b",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 139
  },
  "hsl": {
    "h": 220.364,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.39472,
    "c": 0.13038,
    "h": 262.5
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#1D418B

secondary

#BB9649

accent

#B13FE8

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #1D418B

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

Preview Lab → · Contrast checker → · Palette generator →