#1598CA#1598CA

#1598CA is a light, vivid cyan. Relative luminance 0.269; OKLCH L 63.9% C 0.125 H 231.6°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#1598CA
RGB	rgb(21, 152, 202)
HSL	hsl(197, 81%, 44%)
HSV	hsv(197, 90%, 79%)
CMYK	cmyk(89.6%, 24.8%, 0%, 20.8%)
CIE-LAB	lab(58.86, -14.78, -34.79)
CIE-LCH	lch(58.86, 37.80, 246.98°)
OKLab	oklab(63.87% -0.078 -0.0983)
OKLCH	oklch(63.87% 0.125 231.6)
XYZ	xyz(22.1938, 26.8772, 59.8837)
Luminance	0.2688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1598CA #CA4715

analogous

#15CAA1 #1598CA #153DCA

triadic

#1598CA #CA1598 #98CA15

tetradic

#1598CA #A115CA #CA4715 #3DCA15

square

#1598CA #A115CA #CA4715 #3DCA15

split-complementary

#1598CA #CA153D #CAA115

monochromatic

#09455B #0F6E93 #1598CA #32B7EA #6ACBEF

Accessibility & contrast

On white

3.29

#1598CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#1598CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1598CA

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1598CA	#FFFFFF	#000000	##000000
##1598CA	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F96CC

Deuteranopia (green-blind)

#6887C9

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #1598ca;
/* rgb */ color: rgb(21, 152, 202);
/* oklch */ color: oklch(63.9% 0.125 231.6);

Tailwind

colors: {
  custom: {
    50: '#78b6da',
    500: '#1598ca',
    950: '#000000',
  },
}

SCSS

$custom: #1598ca;
$custom-light: #78b6da;
$custom-dark: #000000;

JSON

{
  "hex": "#1598ca",
  "rgb": {
    "r": 21,
    "g": 152,
    "b": 202
  },
  "hsl": {
    "h": 196.575,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.63874,
    "c": 0.12544,
    "h": 231.6
  },
  "luminance": 0.2688
}

Semantic roles & 50–950 ramp

primary

#1598CA

secondary

#D58566

accent

#6730F8

background

#F8FBFD

surface

#EFF6FA

border

#CAD0D3

text

#0B1115

muted

#7C8083

Preview Lab

Preview with #1598CA

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

Preview Lab → · Contrast checker → · Palette generator →