#1A388A#1A388A

#1A388A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.3% C 0.141 H 264.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A388A
RGB	rgb(26, 56, 138)
HSL	hsl(224, 68%, 32%)
HSV	hsv(224, 81%, 54%)
CMYK	cmyk(81.2%, 59.4%, 0%, 45.9%)
CIE-LAB	lab(26.40, 20.95, -48.79)
CIE-LCH	lch(26.40, 53.09, 293.24°)
OKLab	oklab(37.32% -0.0125 -0.1409)
OKLCH	oklch(37.32% 0.141 264.9)
XYZ	xyz(6.4260, 4.8822, 24.6435)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A388A #8A6C1A

analogous

#1A708A #1A388A #341A8A

triadic

#1A388A #8A1A38 #388A1A

tetradic

#1A388A #8A1A70 #8A6C1A #1A8A34

square

#1A388A #8A1A70 #8A6C1A #1A8A34

split-complementary

#1A388A #8A341A #708A1A

monochromatic

#070E23 #102357 #1A388A #244DBD #436CDC

Accessibility & contrast

On white

10.62

#1A388A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1A388A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A388A

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A388A	#FFFFFF	#000000	##FFFFFF
##1A388A	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a388a;
/* rgb */ color: rgb(26, 56, 138);
/* oklch */ color: oklch(37.3% 0.141 264.9);

Tailwind

colors: {
  custom: {
    50: '#6a6ead',
    500: '#1a388a',
    950: '#000000',
  },
}

SCSS

$custom: #1a388a;
$custom-light: #6a6ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1a388a",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 138
  },
  "hsl": {
    "h": 223.929,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37318,
    "c": 0.14149,
    "h": 264.9
  },
  "luminance": 0.04883
}

Semantic roles & 50–950 ramp

primary

#1A388A

secondary

#BD9C43

accent

#BC3DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A388A

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

Preview Lab → · Contrast checker → · Palette generator →