#1D519E#1D519E

#1D519E is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.5% C 0.137 H 258.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#1D519E
RGB	rgb(29, 81, 158)
HSL	hsl(216, 69%, 37%)
HSV	hsv(216, 82%, 62%)
CMYK	cmyk(81.6%, 48.7%, 0%, 38%)
CIE-LAB	lab(35.23, 12.19, -46.69)
CIE-LCH	lch(35.23, 48.25, 284.63°)
OKLab	oklab(44.54% -0.027 -0.1342)
OKLCH	oklch(44.54% 0.137 258.6)
XYZ	xyz(9.6184, 8.6135, 33.4968)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D519E #9E6A1D

analogous

#1D929E #1D519E #2A1D9E

triadic

#1D519E #9E1D51 #519E1D

tetradic

#1D519E #9E1D92 #9E6A1D #1D9E2A

square

#1D519E #9E1D92 #9E6A1D #1D9E2A

split-complementary

#1D519E #9E2A1D #929E1D

monochromatic

#0A1C37 #14366A #1D519E #266CD2 #568DE0

Accessibility & contrast

On white

7.71

#1D519E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#1D519E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D519E

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D519E	#FFFFFF	#000000	##FFFFFF
##1D519E	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2559A1

Deuteranopia (green-blind)

#004D9C

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d519e;
/* rgb */ color: rgb(29, 81, 158);
/* oklch */ color: oklch(44.5% 0.137 258.6);

Tailwind

colors: {
  custom: {
    50: '#6f81bb',
    500: '#1d519e',
    950: '#000000',
  },
}

SCSS

$custom: #1d519e;
$custom-light: #6f81bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d519e",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 215.814,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4454,
    "c": 0.13691,
    "h": 258.6
  },
  "luminance": 0.08615
}

Semantic roles & 50–950 ramp

primary

#1D519E

secondary

#C39654

accent

#A53CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D519E

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

Preview Lab → · Contrast checker → · Palette generator →