#1D519F#1D519F

#1D519F is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.6% C 0.138 H 258.8°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D519F
RGB	rgb(29, 81, 159)
HSL	hsl(216, 69%, 37%)
HSV	hsv(216, 82%, 62%)
CMYK	cmyk(81.8%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(35.30, 12.59, -47.18)
CIE-LCH	lch(35.30, 48.83, 284.94°)
OKLab	oklab(44.62% -0.0269 -0.1357)
OKLCH	oklch(44.62% 0.138 258.8)
XYZ	xyz(9.7048, 8.6481, 33.9519)
Luminance	0.0865 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D519F #9F6B1D

analogous

#1D929F #1D519F #2A1D9F

triadic

#1D519F #9F1D51 #519F1D

tetradic

#1D519F #9F1D92 #9F6B1D #1D9F2A

square

#1D519F #9F1D92 #9F6B1D #1D9F2A

split-complementary

#1D519F #9F2A1D #929F1D

monochromatic

#0A1C37 #14376B #1D519F #266BD3 #568DE0

Accessibility & contrast

On white

7.69

#1D519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#1D519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D519F

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D519F	#FFFFFF	#000000	##FFFFFF
##1D519F	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2459A2

Deuteranopia (green-blind)

#004E9D

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d519f;
/* rgb */ color: rgb(29, 81, 159);
/* oklch */ color: oklch(44.6% 0.138 258.8);

Tailwind

colors: {
  custom: {
    50: '#6f81bc',
    500: '#1d519f',
    950: '#000000',
  },
}

SCSS

$custom: #1d519f;
$custom-light: #6f81bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d519f",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 216,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44615,
    "c": 0.1383,
    "h": 258.8
  },
  "luminance": 0.08649
}

Semantic roles & 50–950 ramp

primary

#1D519F

secondary

#C49754

accent

#A63CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D519F

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

Preview Lab → · Contrast checker → · Palette generator →