#2391B0#2391B0

#2391B0 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.104 H 221.9°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#2391B0
RGB	rgb(35, 145, 176)
HSL	hsl(193, 67%, 41%)
HSV	hsv(193, 80%, 69%)
CMYK	cmyk(80.1%, 17.6%, 0%, 31%)
CIE-LAB	lab(55.83, -19.04, -24.77)
CIE-LCH	lch(55.83, 31.24, 232.44°)
OKLab	oklab(61.14% -0.0772 -0.0694)
OKLCH	oklch(61.14% 0.104 221.9)
XYZ	xyz(18.6517, 23.7404, 44.6652)
Luminance	0.2374 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391B0 #B04223

analogous

#23B089 #2391B0 #234BB0

triadic

#2391B0 #B02391 #91B023

tetradic

#2391B0 #8923B0 #B04223 #4BB023

square

#2391B0 #8923B0 #B04223 #4BB023

split-complementary

#2391B0 #B0234B #B08923

monochromatic

#0F3D4A #19677D #2391B0 #39B5D8 #6CC8E2

Accessibility & contrast

On white

3.65

#2391B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#2391B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391B0

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391B0	#FFFFFF	#000000	##000000
##2391B0	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8DB2

Deuteranopia (green-blind)

#6C80B0

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2391b0;
/* rgb */ color: rgb(35, 145, 176);
/* oklch */ color: oklch(61.1% 0.104 221.9);

Tailwind

colors: {
  custom: {
    50: '#76b1c7',
    500: '#2391b0',
    950: '#000000',
  },
}

SCSS

$custom: #2391b0;
$custom-light: #76b1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2391b0",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 193.191,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.61138,
    "c": 0.10382,
    "h": 221.9
  },
  "luminance": 0.23743
}

Semantic roles & 50–950 ramp

primary

#2391B0

secondary

#C87C67

accent

#643EEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2391B0

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

Preview Lab → · Contrast checker → · Palette generator →