#2391B2#2391B2

#2391B2 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.105 H 223.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2391B2
RGB	rgb(35, 145, 178)
HSL	hsl(194, 67%, 42%)
HSV	hsv(194, 80%, 70%)
CMYK	cmyk(80.3%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(55.91, -18.36, -25.78)
CIE-LCH	lch(55.91, 31.65, 234.55°)
OKLab	oklab(61.23% -0.0764 -0.0723)
OKLCH	oklch(61.23% 0.105 223.4)
XYZ	xyz(18.8511, 23.8201, 45.7151)
Luminance	0.2382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391B2 #B24423

analogous

#23B28C #2391B2 #234AB2

triadic

#2391B2 #B22391 #91B223

tetradic

#2391B2 #8C23B2 #B24423 #4AB223

square

#2391B2 #8C23B2 #B24423 #4AB223

split-complementary

#2391B2 #B2234A #B28C23

monochromatic

#0F3E4C #19677F #2391B2 #3AB4D8 #6DC7E2

Accessibility & contrast

On white

3.64

#2391B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#2391B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391B2

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391B2	#FFFFFF	#000000	##000000
##2391B2	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2391b2;
/* rgb */ color: rgb(35, 145, 178);
/* oklch */ color: oklch(61.2% 0.105 223.4);

Tailwind

colors: {
  custom: {
    50: '#76b1c9',
    500: '#2391b2',
    950: '#000000',
  },
}

SCSS

$custom: #2391b2;
$custom-light: #76b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2391b2",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 193.846,
    "s": 67.136,
    "l": 41.765
  },
  "oklch": {
    "l": 0.61229,
    "c": 0.10522,
    "h": 223.4
  },
  "luminance": 0.23822
}

Semantic roles & 50–950 ramp

primary

#2391B2

secondary

#C97E68

accent

#663EEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2391B2

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

Preview Lab → · Contrast checker → · Palette generator →