#1749A1#1749A1

#1749A1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.153 H 260.9°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1749A1
RGB	rgb(23, 73, 161)
HSL	hsl(218, 75%, 36%)
HSV	hsv(218, 86%, 63%)
CMYK	cmyk(85.7%, 54.7%, 0%, 36.9%)
CIE-LAB	lab(32.96, 18.26, -52.17)
CIE-LCH	lch(32.96, 55.27, 289.29°)
OKLab	oklab(42.83% -0.0242 -0.1506)
OKLCH	oklch(42.83% 0.153 260.9)
XYZ	xyz(9.1666, 7.5193, 34.6795)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1749A1 #A16F17

analogous

#178EA1 #1749A1 #2A17A1

triadic

#1749A1 #A11749 #49A117

tetradic

#1749A1 #A1178E #A16F17 #17A12A

square

#1749A1 #A1178E #A16F17 #17A12A

split-complementary

#1749A1 #A12A17 #8EA117

monochromatic

#081836 #0F316B #1749A1 #1F61D7 #4D84E6

Accessibility & contrast

On white

8.39

#1749A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1749A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1749A1

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1749A1	#FFFFFF	#000000	##FFFFFF
##1749A1	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1749a1;
/* rgb */ color: rgb(23, 73, 161);
/* oklch */ color: oklch(42.8% 0.153 260.9);

Tailwind

colors: {
  custom: {
    50: '#6f7bbd',
    500: '#1749a1',
    950: '#000000',
  },
}

SCSS

$custom: #1749a1;
$custom-light: #6f7bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1749a1",
  "rgb": {
    "r": 23,
    "g": 73,
    "b": 161
  },
  "hsl": {
    "h": 218.261,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42828,
    "c": 0.15252,
    "h": 260.9
  },
  "luminance": 0.0752
}

Semantic roles & 50–950 ramp

primary

#1749A1

secondary

#C79B4C

accent

#AE36F2

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1749A1

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

Preview Lab → · Contrast checker → · Palette generator →