#1A166E#1A166E

#1A166E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.144 H 274.1°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#1A166E
RGB	rgb(26, 22, 110)
HSL	hsl(243, 67%, 26%)
HSV	hsv(243, 80%, 43%)
CMYK	cmyk(76.4%, 80%, 0%, 56.9%)
CIE-LAB	lab(15.06, 32.90, -49.60)
CIE-LCH	lch(15.06, 59.52, 303.56°)
OKLab	oklab(28.19% 0.0102 -0.1435)
OKLCH	oklch(28.19% 0.144 274.1)
XYZ	xyz(3.5264, 1.9189, 14.9334)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A166E #6A6E16

analogous

#163E6E #1A166E #46166E

triadic

#1A166E #6E1A16 #166E1A

tetradic

#1A166E #6E163E #6A6E16 #166E46

square

#1A166E #6E163E #6A6E16 #166E46

split-complementary

#1A166E #6E4616 #3E6E16

monochromatic

#06051A #0E0C3B #1A166E #2620A1 #322AD4

Accessibility & contrast

On white

15.18

#1A166E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1A166E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A166E

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A166E	#FFFFFF	#000000	##FFFFFF
##1A166E	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A71

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1a166e;
/* rgb */ color: rgb(26, 22, 110);
/* oklch */ color: oklch(28.2% 0.144 274.1);

Tailwind

colors: {
  custom: {
    50: '#665599',
    500: '#1a166e',
    950: '#000000',
  },
}

SCSS

$custom: #1a166e;
$custom-light: #665599;
$custom-dark: #000000;

JSON

{
  "hex": "#1a166e",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 110
  },
  "hsl": {
    "h": 242.727,
    "s": 66.667,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28194,
    "c": 0.14383,
    "h": 274.1
  },
  "luminance": 0.01919
}

Semantic roles & 50–950 ramp

primary

#1A166E

secondary

#9FA43C

accent

#EA3EE2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A166E

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

Preview Lab → · Contrast checker → · Palette generator →