#1A509D#1A509D

#1A509D is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.2% C 0.138 H 258.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A509D
RGB	rgb(26, 80, 157)
HSL	hsl(215, 72%, 36%)
HSV	hsv(215, 83%, 62%)
CMYK	cmyk(83.4%, 49%, 0%, 38.4%)
CIE-LAB	lab(34.78, 12.16, -46.81)
CIE-LCH	lch(34.78, 48.36, 284.56°)
OKLab	oklab(44.15% -0.0281 -0.1346)
OKLCH	oklch(44.15% 0.138 258.2)
XYZ	xyz(9.3782, 8.3901, 33.0169)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A509D #9D671A

analogous

#1A919D #1A509D #251A9D

triadic

#1A509D #9D1A50 #509D1A

tetradic

#1A509D #9D1A91 #9D671A #1A9D25

square

#1A509D #9D1A91 #9D671A #1A9D25

split-complementary

#1A509D #9D251A #919D1A

monochromatic

#091A34 #113568 #1A509D #236BD2 #4F8CE2

Accessibility & contrast

On white

7.84

#1A509D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1A509D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A509D

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A509D	#FFFFFF	#000000	##FFFFFF
##1A509D	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2358A0

Deuteranopia (green-blind)

#004C9B

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a509d;
/* rgb */ color: rgb(26, 80, 157);
/* oklch */ color: oklch(44.2% 0.138 258.2);

Tailwind

colors: {
  custom: {
    50: '#6e80ba',
    500: '#1a509d',
    950: '#000000',
  },
}

SCSS

$custom: #1a509d;
$custom-light: #6e80ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1a509d",
  "rgb": {
    "r": 26,
    "g": 80,
    "b": 157
  },
  "hsl": {
    "h": 215.267,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44151,
    "c": 0.13754,
    "h": 258.2
  },
  "luminance": 0.08391
}

Semantic roles & 50–950 ramp

primary

#1A509D

secondary

#C4944E

accent

#A439EE

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #1A509D

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

Preview Lab → · Contrast checker → · Palette generator →