#1A247A#1A247A

#1A247A is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.144 H 270.3°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#1A247A
RGB	rgb(26, 36, 122)
HSL	hsl(234, 65%, 29%)
HSV	hsv(234, 79%, 48%)
CMYK	cmyk(78.7%, 70.5%, 0%, 52.2%)
CIE-LAB	lab(19.58, 28.43, -49.87)
CIE-LCH	lch(19.58, 57.41, 299.68°)
OKLab	oklab(31.83% 0.0006 -0.1443)
OKLCH	oklch(31.83% 0.144 270.3)
XYZ	xyz(4.5685, 2.8860, 18.7249)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A247A #7A701A

analogous

#1A547A #1A247A #401A7A

triadic

#1A247A #7A1A24 #247A1A

tetradic

#1A247A #7A1A54 #7A701A #1A7A40

square

#1A247A #7A1A54 #7A701A #1A7A40

split-complementary

#1A247A #7A401A #547A1A

monochromatic

#050719 #0F1548 #1A247A #2533AC #394AD5

Accessibility & contrast

On white

13.31

#1A247A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1A247A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A247A

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A247A	#FFFFFF	#000000	##FFFFFF
##1A247A	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347D

Deuteranopia (green-blind)

#002B78

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1a247a;
/* rgb */ color: rgb(26, 36, 122);
/* oklch */ color: oklch(31.8% 0.144 270.3);

Tailwind

colors: {
  custom: {
    50: '#685fa1',
    500: '#1a247a',
    950: '#000000',
  },
}

SCSS

$custom: #1a247a;
$custom-light: #685fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a247a",
  "rgb": {
    "r": 26,
    "g": 36,
    "b": 122
  },
  "hsl": {
    "h": 233.75,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31827,
    "c": 0.14433,
    "h": 270.3
  },
  "luminance": 0.02887
}

Semantic roles & 50–950 ramp

primary

#1A247A

secondary

#AEA341

accent

#D640E8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A247A

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

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