#1A166D#1A166D

#1A166D is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.1% C 0.143 H 274.2°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A166D
RGB	rgb(26, 22, 109)
HSL	hsl(243, 66%, 26%)
HSV	hsv(243, 80%, 43%)
CMYK	cmyk(76.1%, 79.8%, 0%, 57.3%)
CIE-LAB	lab(14.94, 32.55, -49.14)
CIE-LCH	lch(14.94, 58.94, 303.52°)
OKLab	oklab(28.08% 0.0104 -0.1421)
OKLCH	oklch(28.08% 0.143 274.2)
XYZ	xyz(3.4723, 1.8972, 14.6482)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A166D #696D16

analogous

#163D6D #1A166D #45166D

triadic

#1A166D #6D1A16 #166D1A

tetradic

#1A166D #6D163D #696D16 #166D45

square

#1A166D #6D163D #696D16 #166D45

split-complementary

#1A166D #6D4516 #3D6D16

monochromatic

#060519 #0E0C3A #1A166D #2620A0 #322BD3

Accessibility & contrast

On white

15.22

#1A166D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1A166D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A166D

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A166D	#FFFFFF	#000000	##FFFFFF
##1A166D	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6F

Deuteranopia (green-blind)

#00216B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1a166d;
/* rgb */ color: rgb(26, 22, 109);
/* oklch */ color: oklch(28.1% 0.143 274.2);

Tailwind

colors: {
  custom: {
    50: '#665598',
    500: '#1a166d',
    950: '#000000',
  },
}

SCSS

$custom: #1a166d;
$custom-light: #665598;
$custom-dark: #000000;

JSON

{
  "hex": "#1a166d",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 109
  },
  "hsl": {
    "h": 242.759,
    "s": 66.412,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28077,
    "c": 0.14252,
    "h": 274.2
  },
  "luminance": 0.01898
}

Semantic roles & 50–950 ramp

primary

#1A166D

secondary

#9EA33C

accent

#E93EE1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A166D

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

Preview Lab → · Contrast checker → · Palette generator →