#1591CA#1591CA

#1591CA is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.130 H 236.3°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#1591CA
RGB	rgb(21, 145, 202)
HSL	hsl(199, 81%, 44%)
HSV	hsv(199, 90%, 79%)
CMYK	cmyk(89.6%, 28.2%, 0%, 20.8%)
CIE-LAB	lab(56.75, -10.89, -38.09)
CIE-LCH	lch(56.75, 39.61, 254.05°)
OKLab	oklab(62.19% -0.0719 -0.1079)
OKLCH	oklch(62.19% 0.13 236.3)
XYZ	xyz(21.0910, 24.6717, 59.5162)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1591CA #CA4E15

analogous

#15CAA8 #1591CA #1536CA

triadic

#1591CA #CA1591 #91CA15

tetradic

#1591CA #A815CA #CA4E15 #36CA15

square

#1591CA #A815CA #CA4E15 #36CA15

split-complementary

#1591CA #CA1536 #CAA815

monochromatic

#09415B #0F6993 #1591CA #32B0EA #6AC5EF

Accessibility & contrast

On white

3.54

#1591CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#1591CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1591CA

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1591CA	#FFFFFF	#000000	##000000
##1591CA	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7591CD

Deuteranopia (green-blind)

#5E81C9

Tritanopia (blue-blind)

#00A0A5

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1591ca;
/* rgb */ color: rgb(21, 145, 202);
/* oklch */ color: oklch(62.2% 0.130 236.3);

Tailwind

colors: {
  custom: {
    50: '#78b1da',
    500: '#1591ca',
    950: '#000000',
  },
}

SCSS

$custom: #1591ca;
$custom-light: #78b1da;
$custom-dark: #000000;

JSON

{
  "hex": "#1591ca",
  "rgb": {
    "r": 21,
    "g": 145,
    "b": 202
  },
  "hsl": {
    "h": 198.895,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.62193,
    "c": 0.12967,
    "h": 236.3
  },
  "luminance": 0.24674
}

Semantic roles & 50–950 ramp

primary

#1591CA

secondary

#D58966

accent

#6F30F8

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #1591CA

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

Preview Lab → · Contrast checker → · Palette generator →