#1A3586#1A3586

#1A3586 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.140 H 265.6°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#1A3586
RGB	rgb(26, 53, 134)
HSL	hsl(225, 68%, 31%)
HSV	hsv(225, 81%, 53%)
CMYK	cmyk(80.6%, 60.4%, 0%, 47.5%)
CIE-LAB	lab(25.22, 21.43, -48.22)
CIE-LCH	lch(25.22, 52.76, 293.96°)
OKLab	oklab(36.33% -0.0106 -0.1393)
OKLCH	oklch(36.33% 0.14 265.6)
XYZ	xyz(6.0007, 4.4864, 23.0993)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3586 #866B1A

analogous

#1A6B86 #1A3586 #351A86

triadic

#1A3586 #861A35 #35861A

tetradic

#1A3586 #861A6B #866B1A #1A8635

square

#1A3586 #861A6B #866B1A #1A8635

split-complementary

#1A3586 #86351A #6B861A

monochromatic

#060C1F #102153 #1A3586 #2449B9 #4067DA

Accessibility & contrast

On white

11.07

#1A3586 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#1A3586 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3586

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3586	#FFFFFF	#000000	##FFFFFF
##1A3586	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004189

Deuteranopia (green-blind)

#003784

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3586;
/* rgb */ color: rgb(26, 53, 134);
/* oklch */ color: oklch(36.3% 0.140 265.6);

Tailwind

colors: {
  custom: {
    50: '#696baa',
    500: '#1a3586',
    950: '#000000',
  },
}

SCSS

$custom: #1a3586;
$custom-light: #696baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3586",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 134
  },
  "hsl": {
    "h": 225,
    "s": 67.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3633,
    "c": 0.13971,
    "h": 265.6
  },
  "luminance": 0.04487
}

Semantic roles & 50–950 ramp

primary

#1A3586

secondary

#B99C42

accent

#BF3DEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1A3586

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

Preview Lab → · Contrast checker → · Palette generator →