#1759B4#1759B4

#1759B4 is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.8% C 0.158 H 258.1°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#1759B4
RGB	rgb(23, 89, 180)
HSL	hsl(215, 77%, 40%)
HSV	hsv(215, 87%, 71%)
CMYK	cmyk(87.2%, 50.6%, 0%, 29.4%)
CIE-LAB	lab(38.93, 15.16, -53.80)
CIE-LCH	lch(38.93, 55.89, 285.74°)
OKLab	oklab(47.83% -0.0325 -0.155)
OKLCH	oklch(47.83% 0.158 258.1)
XYZ	xyz(12.1609, 10.6206, 44.5802)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1759B4 #B47217

analogous

#17A8B4 #1759B4 #2317B4

triadic

#1759B4 #B41759 #59B417

tetradic

#1759B4 #B417A8 #B47217 #17B423

square

#1759B4 #B417A8 #B47217 #17B423

split-complementary

#1759B4 #B42317 #A8B417

monochromatic

#092347 #103E7E #1759B4 #2575E3 #5B97EA

Accessibility & contrast

On white

6.72

#1759B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1759B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1759B4

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1759B4	#FFFFFF	#000000	##FFFFFF
##1759B4	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E63B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1759b4;
/* rgb */ color: rgb(23, 89, 180);
/* oklch */ color: oklch(47.8% 0.158 258.1);

Tailwind

colors: {
  custom: {
    50: '#7387cb',
    500: '#1759b4',
    950: '#000000',
  },
}

SCSS

$custom: #1759b4;
$custom-light: #7387cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1759b4",
  "rgb": {
    "r": 23,
    "g": 89,
    "b": 180
  },
  "hsl": {
    "h": 214.777,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4783,
    "c": 0.15841,
    "h": 258.1
  },
  "luminance": 0.10622
}

Semantic roles & 50–950 ramp

primary

#1759B4

secondary

#CE9D59

accent

#A334F4

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1759B4

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

Preview Lab → · Contrast checker → · Palette generator →