#1745A0#1745A0

#1745A0 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.156 H 262.0°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX	#1745A0
RGB	rgb(23, 69, 160)
HSL	hsl(220, 75%, 36%)
HSV	hsv(220, 86%, 63%)
CMYK	cmyk(85.6%, 56.9%, 0%, 37.3%)
CIE-LAB	lab(31.75, 20.58, -53.53)
CIE-LCH	lch(31.75, 57.35, 291.03°)
OKLab	oklab(41.89% -0.0217 -0.1547)
OKLCH	oklch(41.89% 0.156 262)
XYZ	xyz(8.8243, 6.9754, 34.1322)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1745A0 #A07217

analogous

#1789A0 #1745A0 #2D17A0

triadic

#1745A0 #A01745 #45A017

tetradic

#1745A0 #A01789 #A07217 #17A02D

square

#1745A0 #A01789 #A07217 #17A02D

split-complementary

#1745A0 #A02D17 #89A017

monochromatic

#081735 #0F2E6A #1745A0 #1F5CD6 #4C80E5

Accessibility & contrast

On white

8.77

#1745A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1745A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1745A0

8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1745A0	#FFFFFF	#000000	##FFFFFF
##1745A0	1.00	8.77	2.40	8.77
#FFFFFF	8.77	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A3

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#005C6B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1745a0;
/* rgb */ color: rgb(23, 69, 160);
/* oklch */ color: oklch(41.9% 0.156 262.0);

Tailwind

colors: {
  custom: {
    50: '#6e78bd',
    500: '#1745a0',
    950: '#000000',
  },
}

SCSS

$custom: #1745a0;
$custom-light: #6e78bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1745a0",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 160
  },
  "hsl": {
    "h": 219.854,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41886,
    "c": 0.15619,
    "h": 262
  },
  "luminance": 0.06976
}

Semantic roles & 50–950 ramp

primary

#1745A0

secondary

#C79E4C

accent

#B336F1

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1745A0

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

Preview Lab → · Contrast checker → · Palette generator →