#1A166F#1A166F

#1A166F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.145 H 273.9°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A166F
RGB	rgb(26, 22, 111)
HSL	hsl(243, 67%, 26%)
HSV	hsv(243, 80%, 44%)
CMYK	cmyk(76.6%, 80.2%, 0%, 56.5%)
CIE-LAB	lab(15.17, 33.25, -50.05)
CIE-LCH	lch(15.17, 60.09, 303.60°)
OKLab	oklab(28.31% 0.0099 -0.1448)
OKLCH	oklch(28.31% 0.145 273.9)
XYZ	xyz(3.5812, 1.9408, 15.2217)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A166F #6B6F16

analogous

#163E6F #1A166F #46166F

triadic

#1A166F #6F1A16 #166F1A

tetradic

#1A166F #6F163E #6B6F16 #166F46

square

#1A166F #6F163E #6B6F16 #166F46

split-complementary

#1A166F #6F4616 #3E6F16

monochromatic

#06051A #0E0C3C #1A166F #2620A2 #322BD5

Accessibility & contrast

On white

15.13

#1A166F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1A166F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A166F

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A166F	#FFFFFF	#000000	##FFFFFF
##1A166F	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1a166f;
/* rgb */ color: rgb(26, 22, 111);
/* oklch */ color: oklch(28.3% 0.145 273.9);

Tailwind

colors: {
  custom: {
    50: '#665599',
    500: '#1a166f',
    950: '#000000',
  },
}

SCSS

$custom: #1a166f;
$custom-light: #665599;
$custom-dark: #000000;

JSON

{
  "hex": "#1a166f",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 111
  },
  "hsl": {
    "h": 242.697,
    "s": 66.917,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28312,
    "c": 0.14514,
    "h": 273.9
  },
  "luminance": 0.01941
}

Semantic roles & 50–950 ramp

primary

#1A166F

secondary

#A0A53C

accent

#EA3EE2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A166F

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

Preview Lab → · Contrast checker → · Palette generator →