#1A3687#1A3687

#1A3687 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.140 H 265.4°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#1A3687
RGB	rgb(26, 54, 135)
HSL	hsl(225, 68%, 32%)
HSV	hsv(225, 81%, 53%)
CMYK	cmyk(80.7%, 60%, 0%, 47.1%)
CIE-LAB	lab(25.58, 21.13, -48.25)
CIE-LCH	lch(25.58, 52.67, 293.65°)
OKLab	oklab(36.63% -0.0113 -0.1394)
OKLCH	oklch(36.63% 0.14 265.4)
XYZ	xyz(6.1168, 4.6065, 23.4837)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3687 #876B1A

analogous

#1A6D87 #1A3687 #351A87

triadic

#1A3687 #871A36 #36871A

tetradic

#1A3687 #871A6D #876B1A #1A8735

square

#1A3687 #871A6D #876B1A #1A8735

split-complementary

#1A3687 #87351A #6D871A

monochromatic

#060D20 #102154 #1A3687 #244BBA #4168DA

Accessibility & contrast

On white

10.93

#1A3687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A3687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3687

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3687	#FFFFFF	#000000	##FFFFFF
##1A3687	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3687;
/* rgb */ color: rgb(26, 54, 135);
/* oklch */ color: oklch(36.6% 0.140 265.4);

Tailwind

colors: {
  custom: {
    50: '#6a6cab',
    500: '#1a3687',
    950: '#000000',
  },
}

SCSS

$custom: #1a3687;
$custom-light: #6a6cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3687",
  "rgb": {
    "r": 26,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 224.587,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36629,
    "c": 0.13983,
    "h": 265.4
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#1A3687

secondary

#BA9C42

accent

#BE3DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3687

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

Preview Lab → · Contrast checker → · Palette generator →