#1A248B#1A248B

#1A248B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.167 H 269.5°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#1A248B
RGB	rgb(26, 36, 139)
HSL	hsl(235, 68%, 32%)
HSV	hsv(235, 81%, 55%)
CMYK	cmyk(81.3%, 74.1%, 0%, 45.5%)
CIE-LAB	lab(21.38, 34.79, -57.64)
CIE-LCH	lch(21.38, 67.33, 301.11°)
OKLab	oklab(33.66% -0.0014 -0.167)
OKLCH	oklch(33.66% 0.167 269.5)
XYZ	xyz(5.7155, 3.3448, 24.7655)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A248B #8B811A

analogous

#1A5D8B #1A248B #481A8B

triadic

#1A248B #8B1A24 #248B1A

tetradic

#1A248B #8B1A5D #8B811A #1A8B48

square

#1A248B #8B1A5D #8B811A #1A8B48

split-complementary

#1A248B #8B481A #5D8B1A

monochromatic

#070924 #101757 #1A248B #2431BF #4351DC

Accessibility & contrast

On white

12.58

#1A248B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1A248B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A248B

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A248B	#FFFFFF	#000000	##FFFFFF
##1A248B	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#002E89

Tritanopia (blue-blind)

#004255

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1a248b;
/* rgb */ color: rgb(26, 36, 139);
/* oklch */ color: oklch(33.7% 0.167 269.5);

Tailwind

colors: {
  custom: {
    50: '#6c5fae',
    500: '#1a248b',
    950: '#000000',
  },
}

SCSS

$custom: #1a248b;
$custom-light: #6c5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#1a248b",
  "rgb": {
    "r": 26,
    "g": 36,
    "b": 139
  },
  "hsl": {
    "h": 234.69,
    "s": 68.485,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33659,
    "c": 0.16699,
    "h": 269.5
  },
  "luminance": 0.03345
}

Semantic roles & 50–950 ramp

primary

#1A248B

secondary

#BDB244

accent

#DC3CEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1A248B

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

Preview Lab → · Contrast checker → · Palette generator →