#1A166A#1A166A

#1A166A is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.139 H 274.6°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A166A
RGB	rgb(26, 22, 106)
HSL	hsl(243, 66%, 25%)
HSV	hsv(243, 79%, 42%)
CMYK	cmyk(75.5%, 79.2%, 0%, 58.4%)
CIE-LAB	lab(14.59, 31.49, -47.75)
CIE-LCH	lch(14.59, 57.20, 303.40°)
OKLab	oklab(27.73% 0.0111 -0.1381)
OKLCH	oklch(27.73% 0.139 274.6)
XYZ	xyz(3.3136, 1.8337, 13.8122)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A166A #666A16

analogous

#163C6A #1A166A #44166A

triadic

#1A166A #6A1A16 #166A1A

tetradic

#1A166A #6A163C #666A16 #166A44

square

#1A166A #6A163C #666A16 #166A44

split-complementary

#1A166A #6A4416 #3C6A16

monochromatic

#060519 #0E0B37 #1A166A #26219D #332BCF

Accessibility & contrast

On white

15.36

#1A166A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#1A166A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A166A

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A166A	#FFFFFF	#000000	##FFFFFF
##1A166A	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00296C

Deuteranopia (green-blind)

#002169

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1a166a;
/* rgb */ color: rgb(26, 22, 106);
/* oklch */ color: oklch(27.7% 0.139 274.6);

Tailwind

colors: {
  custom: {
    50: '#655596',
    500: '#1a166a',
    950: '#000000',
  },
}

SCSS

$custom: #1a166a;
$custom-light: #655596;
$custom-dark: #000000;

JSON

{
  "hex": "#1a166a",
  "rgb": {
    "r": 26,
    "g": 22,
    "b": 106
  },
  "hsl": {
    "h": 242.857,
    "s": 65.625,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27727,
    "c": 0.13854,
    "h": 274.6
  },
  "luminance": 0.01834
}

Semantic roles & 50–950 ramp

primary

#1A166A

secondary

#9CA03B

accent

#E93FE1

background

#F6F5F9

surface

#EBE8F2

border

#C6C4CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1A166A

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

Preview Lab → · Contrast checker → · Palette generator →