#1A388E#1A388E

#1A388E is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.147 H 265.2°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#1A388E
RGB	rgb(26, 56, 142)
HSL	hsl(224, 69%, 33%)
HSV	hsv(224, 82%, 56%)
CMYK	cmyk(81.7%, 60.6%, 0%, 44.3%)
CIE-LAB	lab(26.74, 22.56, -50.71)
CIE-LCH	lch(26.74, 55.50, 293.98°)
OKLab	oklab(37.68% -0.0124 -0.1466)
OKLCH	oklch(37.68% 0.147 265.2)
XYZ	xyz(6.7209, 5.0002, 26.1968)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A388E #8E701A

analogous

#1A728E #1A388E #361A8E

triadic

#1A388E #8E1A38 #388E1A

tetradic

#1A388E #8E1A72 #8E701A #1A8E36

square

#1A388E #8E1A72 #8E701A #1A8E36

split-complementary

#1A388E #8E361A #728E1A

monochromatic

#070F27 #11245A #1A388E #234CC2 #456DDD

Accessibility & contrast

On white

10.50

#1A388E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1A388E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A388E

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A388E	#FFFFFF	#000000	##FFFFFF
##1A388E	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004591

Deuteranopia (green-blind)

#003A8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a388e;
/* rgb */ color: rgb(26, 56, 142);
/* oklch */ color: oklch(37.7% 0.147 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b6eb0',
    500: '#1a388e',
    950: '#000000',
  },
}

SCSS

$custom: #1a388e;
$custom-light: #6b6eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a388e",
  "rgb": {
    "r": 26,
    "g": 56,
    "b": 142
  },
  "hsl": {
    "h": 224.483,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37677,
    "c": 0.1471,
    "h": 265.2
  },
  "luminance": 0.05001
}

Semantic roles & 50–950 ramp

primary

#1A388E

secondary

#BE9F45

accent

#BE3CEC

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1A388E

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

Preview Lab → · Contrast checker → · Palette generator →