#1759B3#1759B3

#1759B3 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.8% C 0.157 H 258.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#1759B3
RGB	rgb(23, 89, 179)
HSL	hsl(215, 77%, 40%)
HSV	hsv(215, 87%, 70%)
CMYK	cmyk(87.2%, 50.3%, 0%, 29.8%)
CIE-LAB	lab(38.86, 14.76, -53.32)
CIE-LCH	lch(38.86, 55.33, 285.48°)
OKLab	oklab(47.75% -0.0327 -0.1536)
OKLCH	oklch(47.75% 0.157 258)
XYZ	xyz(12.0594, 10.5800, 44.0456)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1759B3 #B37117

analogous

#17A7B3 #1759B3 #2317B3

triadic

#1759B3 #B31759 #59B317

tetradic

#1759B3 #B317A7 #B37117 #17B323

square

#1759B3 #B317A7 #B37117 #17B323

split-complementary

#1759B3 #B32317 #A7B317

monochromatic

#092347 #103E7D #1759B3 #2475E3 #5B97EA

Accessibility & contrast

On white

6.74

#1759B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1759B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1759B3

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1759B3	#FFFFFF	#000000	##FFFFFF
##1759B3	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2063B6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1759b3;
/* rgb */ color: rgb(23, 89, 179);
/* oklch */ color: oklch(47.8% 0.157 258.0);

Tailwind

colors: {
  custom: {
    50: '#7287ca',
    500: '#1759b3',
    950: '#000000',
  },
}

SCSS

$custom: #1759b3;
$custom-light: #7287ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1759b3",
  "rgb": {
    "r": 23,
    "g": 89,
    "b": 179
  },
  "hsl": {
    "h": 214.615,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47754,
    "c": 0.15707,
    "h": 258
  },
  "luminance": 0.10582
}

Semantic roles & 50–950 ramp

primary

#1759B3

secondary

#CD9C58

accent

#A334F4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1759B3

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

Preview Lab → · Contrast checker → · Palette generator →