#1A509F#1A509F

#1A509F is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.3% C 0.140 H 258.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#1A509F
RGB	rgb(26, 80, 159)
HSL	hsl(216, 72%, 36%)
HSV	hsv(216, 84%, 62%)
CMYK	cmyk(83.6%, 49.7%, 0%, 37.6%)
CIE-LAB	lab(34.92, 12.96, -47.79)
CIE-LCH	lch(34.92, 49.52, 285.18°)
OKLab	oklab(44.3% -0.0278 -0.1375)
OKLCH	oklch(44.3% 0.14 258.6)
XYZ	xyz(9.5504, 8.4590, 33.9236)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A509F #9F691A

analogous

#1A939F #1A509F #271A9F

triadic

#1A509F #9F1A50 #509F1A

tetradic

#1A509F #9F1A93 #9F691A #1A9F27

square

#1A509F #9F1A93 #9F691A #1A9F27

split-complementary

#1A509F #9F271A #939F1A

monochromatic

#091B36 #11366A #1A509F #236AD4 #518CE3

Accessibility & contrast

On white

7.80

#1A509F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1A509F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A509F

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A509F	#FFFFFF	#000000	##FFFFFF
##1A509F	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2158A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a509f;
/* rgb */ color: rgb(26, 80, 159);
/* oklch */ color: oklch(44.3% 0.140 258.6);

Tailwind

colors: {
  custom: {
    50: '#6e80bc',
    500: '#1a509f',
    950: '#000000',
  },
}

SCSS

$custom: #1a509f;
$custom-light: #6e80bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a509f",
  "rgb": {
    "r": 26,
    "g": 80,
    "b": 159
  },
  "hsl": {
    "h": 215.639,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44301,
    "c": 0.1403,
    "h": 258.6
  },
  "luminance": 0.0846
}

Semantic roles & 50–950 ramp

primary

#1A509F

secondary

#C59550

accent

#A539EF

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1A509F

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

Preview Lab → · Contrast checker → · Palette generator →