#2391B1#2391B1

#2391B1 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.105 H 222.7°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2391B1
RGB	rgb(35, 145, 177)
HSL	hsl(194, 67%, 42%)
HSV	hsv(194, 80%, 69%)
CMYK	cmyk(80.2%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(55.87, -18.70, -25.27)
CIE-LCH	lch(55.87, 31.44, 233.50°)
OKLab	oklab(61.18% -0.0768 -0.0708)
OKLCH	oklch(61.18% 0.105 222.7)
XYZ	xyz(18.7510, 23.7801, 45.1882)
Luminance	0.2378 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391B1 #B14323

analogous

#23B18A #2391B1 #234AB1

triadic

#2391B1 #B12391 #91B123

tetradic

#2391B1 #8A23B1 #B14323 #4AB123

square

#2391B1 #8A23B1 #B14323 #4AB123

split-complementary

#2391B1 #B1234A #B18A23

monochromatic

#0F3D4B #19677E #2391B1 #39B4D8 #6CC8E2

Accessibility & contrast

On white

3.65

#2391B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#2391B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391B1

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391B1	#FFFFFF	#000000	##000000
##2391B1	1.00	3.65	5.76	5.76
#FFFFFF	3.65	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)

#7F8DB3

Deuteranopia (green-blind)

#6C80B1

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2391b1;
/* rgb */ color: rgb(35, 145, 177);
/* oklch */ color: oklch(61.2% 0.105 222.7);

Tailwind

colors: {
  custom: {
    50: '#76b1c8',
    500: '#2391b1',
    950: '#000000',
  },
}

SCSS

$custom: #2391b1;
$custom-light: #76b1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2391b1",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 193.521,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.61183,
    "c": 0.10452,
    "h": 222.7
  },
  "luminance": 0.23782
}

Semantic roles & 50–950 ramp

primary

#2391B1

secondary

#C87D68

accent

#653EEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2391B1

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

Preview Lab → · Contrast checker → · Palette generator →