#1D519C#1D519C

#1D519C is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.134 H 258.2°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D519C
RGB	rgb(29, 81, 156)
HSL	hsl(215, 69%, 36%)
HSV	hsv(215, 81%, 61%)
CMYK	cmyk(81.4%, 48.1%, 0%, 38.8%)
CIE-LAB	lab(35.09, 11.38, -45.70)
CIE-LCH	lch(35.09, 47.10, 283.99°)
OKLab	oklab(44.39% -0.0274 -0.1313)
OKLCH	oklch(44.39% 0.134 258.2)
XYZ	xyz(9.4477, 8.5452, 32.5975)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D519C #9C681D

analogous

#1D919C #1D519C #291D9C

triadic

#1D519C #9C1D51 #519C1D

tetradic

#1D519C #9C1D91 #9C681D #1D9C29

square

#1D519C #9C1D91 #9C681D #1D9C29

split-complementary

#1D519C #9C291D #919C1D

monochromatic

#0A1B35 #133668 #1D519C #276CD0 #548DDF

Accessibility & contrast

On white

7.75

#1D519C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1D519C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D519C

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D519C	#FFFFFF	#000000	##FFFFFF
##1D519C	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27599F

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #1d519c;
/* rgb */ color: rgb(29, 81, 156);
/* oklch */ color: oklch(44.4% 0.134 258.2);

Tailwind

colors: {
  custom: {
    50: '#6e81ba',
    500: '#1d519c',
    950: '#000000',
  },
}

SCSS

$custom: #1d519c;
$custom-light: #6e81ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1d519c",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 156
  },
  "hsl": {
    "h": 215.433,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44392,
    "c": 0.13414,
    "h": 258.2
  },
  "luminance": 0.08546
}

Semantic roles & 50–950 ramp

primary

#1D519C

secondary

#C29552

accent

#A43CEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D519C

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

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