#1A217B#1A217B

#1A217B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.149 H 270.8°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#1A217B
RGB	rgb(26, 33, 123)
HSL	hsl(236, 65%, 29%)
HSV	hsv(236, 79%, 48%)
CMYK	cmyk(78.9%, 73.2%, 0%, 51.8%)
CIE-LAB	lab(18.96, 30.79, -51.54)
CIE-LCH	lch(18.96, 60.03, 300.85°)
OKLab	oklab(31.41% 0.0022 -0.1492)
OKLCH	oklch(31.41% 0.149 270.8)
XYZ	xyz(4.5438, 2.7369, 19.0239)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A217B #7B741A

analogous

#1A527B #1A217B #441A7B

triadic

#1A217B #7B1A21 #217B1A

tetradic

#1A217B #7B1A52 #7B741A #1A7B44

square

#1A217B #7B1A52 #7B741A #1A7B44

split-complementary

#1A217B #7B441A #527B1A

monochromatic

#050719 #0F1348 #1A217B #252FAE #3A45D5

Accessibility & contrast

On white

13.57

#1A217B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1A217B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A217B

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A217B	#FFFFFF	#000000	##FFFFFF
##1A217B	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002979

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a217b;
/* rgb */ color: rgb(26, 33, 123);
/* oklch */ color: oklch(31.4% 0.149 270.8);

Tailwind

colors: {
  custom: {
    50: '#685da2',
    500: '#1a217b',
    950: '#000000',
  },
}

SCSS

$custom: #1a217b;
$custom-light: #685da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a217b",
  "rgb": {
    "r": 26,
    "g": 33,
    "b": 123
  },
  "hsl": {
    "h": 235.67,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31407,
    "c": 0.14921,
    "h": 270.8
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#1A217B

secondary

#AFA742

accent

#DC40E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A217B

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

Preview Lab → · Contrast checker → · Palette generator →