#1A175D#1A175D

#1A175D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.4% C 0.120 H 276.3°. Best body text is #FFFFFF at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#1A175D
RGB	rgb(26, 23, 93)
HSL	hsl(243, 60%, 23%)
HSV	hsv(243, 75%, 36%)
CMYK	cmyk(72%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(13.37, 26.12, -41.15)
CIE-LCH	lch(13.37, 48.74, 302.41°)
OKLab	oklab(26.42% 0.0131 -0.1189)
OKLCH	oklch(26.42% 0.12 276.3)
XYZ	xyz(2.7075, 1.6225, 10.5243)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A175D #5A5D17

analogous

#17375D #1A175D #3D175D

triadic

#1A175D #5D1A17 #175D1A

tetradic

#1A175D #5D1737 #5A5D17 #175D3D

square

#1A175D #5D1737 #5A5D17 #175D3D

split-complementary

#1A175D #5D3D17 #375D17

monochromatic

#070619 #0C0B2C #1A175D #28238E #352FBF

Accessibility & contrast

On white

15.85

#1A175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1A175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A175D

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A175D	#FFFFFF	#000000	##FFFFFF
##1A175D	1.00	15.85	1.32	15.85
#FFFFFF	15.85	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1a175d;
/* rgb */ color: rgb(26, 23, 93);
/* oklch */ color: oklch(26.4% 0.120 276.3);

Tailwind

colors: {
  custom: {
    50: '#61558c',
    500: '#1a175d',
    950: '#000000',
  },
}

SCSS

$custom: #1a175d;
$custom-light: #61558c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a175d",
  "rgb": {
    "r": 26,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 242.571,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.26422,
    "c": 0.11959,
    "h": 276.3
  },
  "luminance": 0.01623
}

Semantic roles & 50–950 ramp

primary

#1A175D

secondary

#90943C

accent

#E344DD

background

#F6F4F8

surface

#EBE8F0

border

#C6C4CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1A175D

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

Preview Lab → · Contrast checker → · Palette generator →