#1748A1#1748A1

#1748A1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.6% C 0.154 H 261.2°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#1748A1
RGB	rgb(23, 72, 161)
HSL	hsl(219, 75%, 36%)
HSV	hsv(219, 86%, 63%)
CMYK	cmyk(85.7%, 55.3%, 0%, 36.9%)
CIE-LAB	lab(32.68, 18.94, -52.63)
CIE-LCH	lch(32.68, 55.93, 289.79°)
OKLab	oklab(42.61% -0.0235 -0.152)
OKLCH	oklch(42.61% 0.154 261.2)
XYZ	xyz(9.1014, 7.3890, 34.6578)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1748A1 #A17017

analogous

#178DA1 #1748A1 #2B17A1

triadic

#1748A1 #A11748 #48A117

tetradic

#1748A1 #A1178D #A17017 #17A12B

square

#1748A1 #A1178D #A17017 #17A12B

split-complementary

#1748A1 #A12B17 #8DA117

monochromatic

#081836 #0F306B #1748A1 #1F60D7 #4D83E6

Accessibility & contrast

On white

8.47

#1748A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1748A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1748A1

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1748A1	#FFFFFF	#000000	##FFFFFF
##1748A1	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A4

Deuteranopia (green-blind)

#00479F

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1748a1;
/* rgb */ color: rgb(23, 72, 161);
/* oklch */ color: oklch(42.6% 0.154 261.2);

Tailwind

colors: {
  custom: {
    50: '#6f7abd',
    500: '#1748a1',
    950: '#000000',
  },
}

SCSS

$custom: #1748a1;
$custom-light: #6f7abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1748a1",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 161
  },
  "hsl": {
    "h": 218.696,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42612,
    "c": 0.15378,
    "h": 261.2
  },
  "luminance": 0.0739
}

Semantic roles & 50–950 ramp

primary

#1748A1

secondary

#C79C4C

accent

#AF36F2

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1748A1

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

Preview Lab → · Contrast checker → · Palette generator →