#1A3784#1A3784

#1A3784 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.6% C 0.134 H 264.8°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#1A3784
RGB	rgb(26, 55, 132)
HSL	hsl(224, 67%, 31%)
HSV	hsv(224, 80%, 52%)
CMYK	cmyk(80.3%, 58.3%, 0%, 48.2%)
CIE-LAB	lab(25.62, 19.22, -46.32)
CIE-LCH	lch(25.62, 50.15, 292.53°)
OKLab	oklab(36.58% -0.0122 -0.1337)
OKLCH	oklch(36.58% 0.134 264.8)
XYZ	xyz(5.9556, 4.6172, 22.4027)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3784 #84671A

analogous

#1A6C84 #1A3784 #321A84

triadic

#1A3784 #841A37 #37841A

tetradic

#1A3784 #841A6C #84671A #1A8432

square

#1A3784 #841A6C #84671A #1A8432

split-complementary

#1A3784 #84321A #6C841A

monochromatic

#060C1E #102251 #1A3784 #244CB7 #3F69D9

Accessibility & contrast

On white

10.92

#1A3784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A3784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3784

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3784	#FFFFFF	#000000	##FFFFFF
##1A3784	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3784;
/* rgb */ color: rgb(26, 55, 132);
/* oklch */ color: oklch(36.6% 0.134 264.8);

Tailwind

colors: {
  custom: {
    50: '#696da8',
    500: '#1a3784',
    950: '#000000',
  },
}

SCSS

$custom: #1a3784;
$custom-light: #696da8;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3784",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 132
  },
  "hsl": {
    "h": 223.585,
    "s": 67.089,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36575,
    "c": 0.13425,
    "h": 264.8
  },
  "luminance": 0.04618
}

Semantic roles & 50–950 ramp

primary

#1A3784

secondary

#B89742

accent

#BB3EEA

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1A3784

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

Preview Lab → · Contrast checker → · Palette generator →