#1A398A#1A398A

#1A398A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.140 H 264.6°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#1A398A
RGB	rgb(26, 57, 138)
HSL	hsl(223, 68%, 32%)
HSV	hsv(223, 81%, 54%)
CMYK	cmyk(81.2%, 58.7%, 0%, 45.9%)
CIE-LAB	lab(26.68, 20.25, -48.33)
CIE-LCH	lch(26.68, 52.40, 292.73°)
OKLab	oklab(37.53% -0.0132 -0.1396)
OKLCH	oklch(37.53% 0.14 264.6)
XYZ	xyz(6.4749, 4.9801, 24.6598)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A398A #8A6B1A

analogous

#1A718A #1A398A #331A8A

triadic

#1A398A #8A1A39 #398A1A

tetradic

#1A398A #8A1A71 #8A6B1A #1A8A33

square

#1A398A #8A1A71 #8A6B1A #1A8A33

split-complementary

#1A398A #8A331A #718A1A

monochromatic

#070E23 #102457 #1A398A #244EBD #436DDC

Accessibility & contrast

On white

10.52

#1A398A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1A398A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A398A

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A398A	#FFFFFF	#000000	##FFFFFF
##1A398A	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1a398a;
/* rgb */ color: rgb(26, 57, 138);
/* oklch */ color: oklch(37.5% 0.140 264.6);

Tailwind

colors: {
  custom: {
    50: '#6a6ead',
    500: '#1a398a',
    950: '#000000',
  },
}

SCSS

$custom: #1a398a;
$custom-light: #6a6ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1a398a",
  "rgb": {
    "r": 26,
    "g": 57,
    "b": 138
  },
  "hsl": {
    "h": 223.393,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37529,
    "c": 0.14019,
    "h": 264.6
  },
  "luminance": 0.04981
}

Semantic roles & 50–950 ramp

primary

#1A398A

secondary

#BD9B43

accent

#BB3DEB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1A398A

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

Preview Lab → · Contrast checker → · Palette generator →