#1734A1#1734A1

#1734A1 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.178 H 265.9°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#1734A1
RGB	rgb(23, 52, 161)
HSL	hsl(227, 75%, 36%)
HSV	hsv(227, 86%, 63%)
CMYK	cmyk(85.7%, 67.7%, 0%, 36.9%)
CIE-LAB	lab(27.33, 32.48, -61.38)
CIE-LCH	lch(27.33, 69.44, 297.89°)
OKLab	oklab(38.62% -0.0126 -0.1779)
OKLCH	oklch(38.62% 0.178 265.9)
XYZ	xyz(8.0121, 5.2104, 34.2947)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1734A1 #A18417

analogous

#1779A1 #1734A1 #3F17A1

triadic

#1734A1 #A11734 #34A117

tetradic

#1734A1 #A11779 #A18417 #17A13F

square

#1734A1 #A11779 #A18417 #17A13F

split-complementary

#1734A1 #A13F17 #79A117

monochromatic

#081136 #0F236B #1734A1 #1F45D7 #4D6DE6

Accessibility & contrast

On white

10.28

#1734A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1734A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1734A1

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1734A1	#FFFFFF	#000000	##FFFFFF
##1734A1	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1734a1;
/* rgb */ color: rgb(23, 52, 161);
/* oklch */ color: oklch(38.6% 0.178 265.9);

Tailwind

colors: {
  custom: {
    50: '#706bbe',
    500: '#1734a1',
    950: '#000000',
  },
}

SCSS

$custom: #1734a1;
$custom-light: #706bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1734a1",
  "rgb": {
    "r": 23,
    "g": 52,
    "b": 161
  },
  "hsl": {
    "h": 227.391,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3862,
    "c": 0.17834,
    "h": 265.9
  },
  "luminance": 0.05211
}

Semantic roles & 50–950 ramp

primary

#1734A1

secondary

#C7AE4C

accent

#CA36F2

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1734A1

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

Preview Lab → · Contrast checker → · Palette generator →