#2591AE#2591AE

#2591AE is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.102 H 220.6°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2591AE
RGB	rgb(37, 145, 174)
HSL	hsl(193, 65%, 41%)
HSV	hsv(193, 79%, 68%)
CMYK	cmyk(78.7%, 16.7%, 0%, 31.8%)
CIE-LAB	lab(55.78, -19.52, -23.69)
CIE-LCH	lch(55.78, 30.69, 230.51°)
OKLab	oklab(61.09% -0.0773 -0.0663)
OKLCH	oklch(61.09% 0.102 220.6)
XYZ	xyz(18.5251, 23.6978, 43.6340)
Luminance	0.2370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2591AE #AE4225

analogous

#25AE87 #2591AE #254DAE

triadic

#2591AE #AE2591 #91AE25

tetradic

#2591AE #8725AE #AE4225 #4DAE25

square

#2591AE #8725AE #AE4225 #4DAE25

split-complementary

#2591AE #AE254D #AE8725

monochromatic

#103D49 #1A677C #2591AE #3BB5D5 #6DC8E0

Accessibility & contrast

On white

3.66

#2591AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#2591AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2591AE

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2591AE	#FFFFFF	#000000	##000000
##2591AE	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808DB0

Deuteranopia (green-blind)

#6D80AE

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2591ae;
/* rgb */ color: rgb(37, 145, 174);
/* oklch */ color: oklch(61.1% 0.102 220.6);

Tailwind

colors: {
  custom: {
    50: '#76b1c6',
    500: '#2591ae',
    950: '#000000',
  },
}

SCSS

$custom: #2591ae;
$custom-light: #76b1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2591ae",
  "rgb": {
    "r": 37,
    "g": 145,
    "b": 174
  },
  "hsl": {
    "h": 192.701,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.61088,
    "c": 0.10182,
    "h": 220.6
  },
  "luminance": 0.237
}

Semantic roles & 50–950 ramp

primary

#2591AE

secondary

#C67C68

accent

#6340E8

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2591AE

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

Preview Lab → · Contrast checker → · Palette generator →