#1A218A#1A218A

#1A218A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.169 H 270.0°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A218A
RGB	rgb(26, 33, 138)
HSL	hsl(236, 68%, 32%)
HSV	hsv(236, 81%, 54%)
CMYK	cmyk(81.2%, 76.1%, 0%, 45.9%)
CIE-LAB	lab(20.60, 36.28, -58.30)
CIE-LCH	lch(20.60, 68.66, 301.89°)
OKLab	oklab(33.07% 0 -0.1689)
OKLCH	oklch(33.07% 0.169 270)
XYZ	xyz(5.5557, 3.1417, 24.3534)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A218A #8A831A

analogous

#1A598A #1A218A #4B1A8A

triadic

#1A218A #8A1A21 #218A1A

tetradic

#1A218A #8A1A59 #8A831A #1A8A4B

square

#1A218A #8A1A59 #8A831A #1A8A4B

split-complementary

#1A218A #8A4B1A #598A1A

monochromatic

#070823 #101557 #1A218A #242DBD #434CDC

Accessibility & contrast

On white

12.90

#1A218A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1A218A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A218A

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A218A	#FFFFFF	#000000	##FFFFFF
##1A218A	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#002C88

Tritanopia (blue-blind)

#004054

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a218a;
/* rgb */ color: rgb(26, 33, 138);
/* oklch */ color: oklch(33.1% 0.169 270.0);

Tailwind

colors: {
  custom: {
    50: '#6c5dad',
    500: '#1a218a',
    950: '#000000',
  },
}

SCSS

$custom: #1a218a;
$custom-light: #6c5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1a218a",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 138
  },
  "hsl": {
    "h": 236.25,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33075,
    "c": 0.16886,
    "h": 270
  },
  "luminance": 0.03142
}

Semantic roles & 50–950 ramp

primary

#1A218A

secondary

#BDB543

accent

#E03DEB

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1A218A

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

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