#1A247C#1A247C

#1A247C is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.147 H 270.2°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#1A247C
RGB	rgb(26, 36, 124)
HSL	hsl(234, 65%, 29%)
HSV	hsv(234, 79%, 49%)
CMYK	cmyk(79%, 71%, 0%, 51.4%)
CIE-LAB	lab(19.79, 29.19, -50.81)
CIE-LCH	lch(19.79, 58.60, 299.88°)
OKLab	oklab(32.04% 0.0004 -0.1471)
OKLCH	oklch(32.04% 0.147 270.2)
XYZ	xyz(4.6937, 2.9361, 19.3842)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A247C #7C721A

analogous

#1A557C #1A247C #411A7C

triadic

#1A247C #7C1A24 #247C1A

tetradic

#1A247C #7C1A55 #7C721A #1A7C41

square

#1A247C #7C1A55 #7C721A #1A7C41

split-complementary

#1A247C #7C411A #557C1A

monochromatic

#050719 #0F1549 #1A247C #2533AF #3B4AD6

Accessibility & contrast

On white

13.23

#1A247C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1A247C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A247C

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A247C	#FFFFFF	#000000	##FFFFFF
##1A247C	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1a247c;
/* rgb */ color: rgb(26, 36, 124);
/* oklch */ color: oklch(32.0% 0.147 270.2);

Tailwind

colors: {
  custom: {
    50: '#685fa3',
    500: '#1a247c',
    950: '#000000',
  },
}

SCSS

$custom: #1a247c;
$custom-light: #685fa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a247c",
  "rgb": {
    "r": 26,
    "g": 36,
    "b": 124
  },
  "hsl": {
    "h": 233.878,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32037,
    "c": 0.14707,
    "h": 270.2
  },
  "luminance": 0.02937
}

Semantic roles & 50–950 ramp

primary

#1A247C

secondary

#B0A542

accent

#D740E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A247C

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

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