#2391AA#2391AA

#2391AA is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 60.9% C 0.100 H 217.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2391AA
RGB	rgb(35, 145, 170)
HSL	hsl(191, 66%, 40%)
HSV	hsv(191, 79%, 67%)
CMYK	cmyk(79.4%, 14.7%, 0%, 33.3%)
CIE-LAB	lab(55.59, -21.08, -21.70)
CIE-LCH	lch(55.59, 30.25, 225.83°)
OKLab	oklab(60.87% -0.0796 -0.0606)
OKLCH	oklch(60.87% 0.1 217.3)
XYZ	xyz(18.0711, 23.5082, 41.6075)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391AA #AA3C23

analogous

#23AA7F #2391AA #234DAA

triadic

#2391AA #AA2391 #91AA23

tetradic

#2391AA #7F23AA #AA3C23 #4DAA23

square

#2391AA #7F23AA #AA3C23 #4DAA23

split-complementary

#2391AA #AA234D #AA7F23

monochromatic

#0E3A44 #196677 #2391AA #35B8D5 #68CAE0

Accessibility & contrast

On white

3.68

#2391AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#2391AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391AA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391AA	#FFFFFF	#000000	##000000
##2391AA	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAB

Deuteranopia (green-blind)

#6F80AA

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2391aa;
/* rgb */ color: rgb(35, 145, 170);
/* oklch */ color: oklch(60.9% 0.100 217.3);

Tailwind

colors: {
  custom: {
    50: '#75b1c3',
    500: '#2391aa',
    950: '#000000',
  },
}

SCSS

$custom: #2391aa;
$custom-light: #75b1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2391aa",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 170
  },
  "hsl": {
    "h": 191.111,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60871,
    "c": 0.10009,
    "h": 217.3
  },
  "luminance": 0.2351
}

Semantic roles & 50–950 ramp

primary

#2391AA

secondary

#C67563

accent

#5E3FE9

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2391AA

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

Preview Lab → · Contrast checker → · Palette generator →