#1A509E#1A509E

#1A509E is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.2% C 0.139 H 258.4°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1A509E
RGB	rgb(26, 80, 158)
HSL	hsl(215, 72%, 36%)
HSV	hsv(215, 84%, 62%)
CMYK	cmyk(83.5%, 49.4%, 0%, 38%)
CIE-LAB	lab(34.85, 12.56, -47.30)
CIE-LCH	lch(34.85, 48.94, 284.87°)
OKLab	oklab(44.23% -0.028 -0.1361)
OKLCH	oklch(44.23% 0.139 258.4)
XYZ	xyz(9.4639, 8.4244, 33.4684)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A509E #9E681A

analogous

#1A929E #1A509E #261A9E

triadic

#1A509E #9E1A50 #509E1A

tetradic

#1A509E #9E1A92 #9E681A #1A9E26

square

#1A509E #9E1A92 #9E681A #1A9E26

split-complementary

#1A509E #9E261A #929E1A

monochromatic

#091B35 #113569 #1A509E #236BD3 #508CE2

Accessibility & contrast

On white

7.82

#1A509E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#1A509E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A509E

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A509E	#FFFFFF	#000000	##FFFFFF
##1A509E	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a509e;
/* rgb */ color: rgb(26, 80, 158);
/* oklch */ color: oklch(44.2% 0.139 258.4);

Tailwind

colors: {
  custom: {
    50: '#6e80bb',
    500: '#1a509e',
    950: '#000000',
  },
}

SCSS

$custom: #1a509e;
$custom-light: #6e80bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a509e",
  "rgb": {
    "r": 26,
    "g": 80,
    "b": 158
  },
  "hsl": {
    "h": 215.455,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.44226,
    "c": 0.13892,
    "h": 258.4
  },
  "luminance": 0.08426
}

Semantic roles & 50–950 ramp

primary

#1A509E

secondary

#C5954F

accent

#A439EE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A509E

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

Preview Lab → · Contrast checker → · Palette generator →