#1A388D#1A388D

#1A388D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.6% C 0.146 H 265.1°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#1A388D
RGB	rgb(26, 56, 141)
HSL	hsl(224, 69%, 33%)
HSV	hsv(224, 82%, 55%)
CMYK	cmyk(81.6%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(26.65, 22.15, -50.23)
CIE-LCH	lch(26.65, 54.90, 293.80°)
OKLab	oklab(37.59% -0.0124 -0.1452)
OKLCH	oklch(37.59% 0.146 265.1)
XYZ	xyz(6.6462, 4.9703, 25.8032)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A388D #8D6F1A

analogous

#1A718D #1A388D #361A8D

triadic

#1A388D #8D1A38 #388D1A

tetradic

#1A388D #8D1A71 #8D6F1A #1A8D36

square

#1A388D #8D1A71 #8D6F1A #1A8D36

split-complementary

#1A388D #8D361A #718D1A

monochromatic

#070F26 #102359 #1A388D #244DC1 #456CDD

Accessibility & contrast

On white

10.53

#1A388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1A388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A388D

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A388D	#FFFFFF	#000000	##FFFFFF
##1A388D	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003A8B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a388d;
/* rgb */ color: rgb(26, 56, 141);
/* oklch */ color: oklch(37.6% 0.146 265.1);

Tailwind

colors: {
  custom: {
    50: '#6b6eaf',
    500: '#1a388d',
    950: '#000000',
  },
}

SCSS

$custom: #1a388d;
$custom-light: #6b6eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1a388d",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 224.348,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.37587,
    "c": 0.1457,
    "h": 265.1
  },
  "luminance": 0.04971
}

Semantic roles & 50–950 ramp

primary

#1A388D

secondary

#BE9E45

accent

#BE3CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1A388D

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

Preview Lab → · Contrast checker → · Palette generator →