#2391B4#2391B4

#2391B4 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.107 H 224.8°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2391B4
RGB	rgb(35, 145, 180)
HSL	hsl(194, 67%, 42%)
HSV	hsv(194, 81%, 71%)
CMYK	cmyk(80.6%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.99, -17.67, -26.80)
CIE-LCH	lch(55.99, 32.10, 236.60°)
OKLab	oklab(61.32% -0.0757 -0.0752)
OKLCH	oklch(61.32% 0.107 224.8)
XYZ	xyz(19.0533, 23.9010, 46.7803)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391B4 #B44623

analogous

#23B48F #2391B4 #2348B4

triadic

#2391B4 #B42391 #91B423

tetradic

#2391B4 #8F23B4 #B44623 #48B423

square

#2391B4 #8F23B4 #B44623 #48B423

split-complementary

#2391B4 #B42348 #B48F23

monochromatic

#0F3E4E #196881 #2391B4 #3BB3D9 #6EC7E3

Accessibility & contrast

On white

3.63

#2391B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#2391B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391B4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391B4	#FFFFFF	#000000	##000000
##2391B4	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB6

Deuteranopia (green-blind)

#6B80B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2391b4;
/* rgb */ color: rgb(35, 145, 180);
/* oklch */ color: oklch(61.3% 0.107 224.8);

Tailwind

colors: {
  custom: {
    50: '#77b1ca',
    500: '#2391b4',
    950: '#000000',
  },
}

SCSS

$custom: #2391b4;
$custom-light: #77b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2391b4",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 194.483,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.61321,
    "c": 0.1067,
    "h": 224.8
  },
  "luminance": 0.23903
}

Semantic roles & 50–950 ramp

primary

#2391B4

secondary

#C98169

accent

#673DEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2391B4

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

Preview Lab → · Contrast checker → · Palette generator →