#1A248F#1A248F

#1A248F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.1% C 0.172 H 269.4°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A248F
RGB	rgb(26, 36, 143)
HSL	hsl(235, 69%, 33%)
HSV	hsv(235, 82%, 56%)
CMYK	cmyk(81.8%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(21.81, 36.24, -59.41)
CIE-LCH	lch(21.81, 69.59, 301.38°)
OKLab	oklab(34.1% -0.0019 -0.1721)
OKLCH	oklch(34.1% 0.172 269.4)
XYZ	xyz(6.0131, 3.4638, 26.3329)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A248F #8F851A

analogous

#1A5E8F #1A248F #4A1A8F

triadic

#1A248F #8F1A24 #248F1A

tetradic

#1A248F #8F1A5E #8F851A #1A8F4A

square

#1A248F #8F1A5E #8F851A #1A8F4A

split-complementary

#1A248F #8F4A1A #5E8F1A

monochromatic

#070A27 #11175B #1A248F #2331C3 #4653DD

Accessibility & contrast

On white

12.40

#1A248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1A248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A248F

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A248F	#FFFFFF	#000000	##FFFFFF
##1A248F	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002E8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a248f;
/* rgb */ color: rgb(26, 36, 143);
/* oklch */ color: oklch(34.1% 0.172 269.4);

Tailwind

colors: {
  custom: {
    50: '#6e60b1',
    500: '#1a248f',
    950: '#000000',
  },
}

SCSS

$custom: #1a248f;
$custom-light: #6e60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a248f",
  "rgb": {
    "r": 26,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 234.872,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34103,
    "c": 0.17213,
    "h": 269.4
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#1A248F

secondary

#BFB446

accent

#DD3CEC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080511

muted

#7B7980

Preview Lab

Preview with #1A248F

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

Preview Lab → · Contrast checker → · Palette generator →