#1A4688#1A4688

#1A4688 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.3% C 0.121 H 258.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#1A4688
RGB	rgb(26, 70, 136)
HSL	hsl(216, 68%, 32%)
HSV	hsv(216, 81%, 53%)
CMYK	cmyk(80.9%, 48.5%, 0%, 46.7%)
CIE-LAB	lab(30.34, 10.41, -41.16)
CIE-LCH	lch(30.34, 42.45, 284.19°)
OKLab	oklab(40.27% -0.0236 -0.1182)
OKLCH	oklch(40.27% 0.121 258.7)
XYZ	xyz(7.0585, 6.3767, 24.1466)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4688 #885C1A

analogous

#1A7D88 #1A4688 #251A88

triadic

#1A4688 #881A46 #46881A

tetradic

#1A4688 #881A7D #885C1A #1A8825

square

#1A4688 #881A7D #885C1A #1A8825

split-complementary

#1A4688 #88251A #7D881A

monochromatic

#061121 #102C55 #1A4688 #2460BB #427FDB

Accessibility & contrast

On white

9.23

#1A4688 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1A4688 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4688

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4688	#FFFFFF	#000000	##FFFFFF
##1A4688	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224D8A

Deuteranopia (green-blind)

#014387

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1a4688;
/* rgb */ color: rgb(26, 70, 136);
/* oklch */ color: oklch(40.3% 0.121 258.7);

Tailwind

colors: {
  custom: {
    50: '#6978ab',
    500: '#1a4688',
    950: '#000000',
  },
}

SCSS

$custom: #1a4688;
$custom-light: #6978ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4688",
  "rgb": {
    "r": 26,
    "g": 70,
    "b": 136
  },
  "hsl": {
    "h": 216,
    "s": 67.901,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40271,
    "c": 0.12055,
    "h": 258.7
  },
  "luminance": 0.06378
}

Semantic roles & 50–950 ramp

primary

#1A4688

secondary

#BB8B43

accent

#A53DEB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1A4688

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

Preview Lab → · Contrast checker → · Palette generator →