#2391B3#2391B3

#2391B3 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.106 H 224.1°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2391B3
RGB	rgb(35, 145, 179)
HSL	hsl(194, 67%, 42%)
HSV	hsv(194, 80%, 70%)
CMYK	cmyk(80.4%, 19%, 0%, 29.8%)
CIE-LAB	lab(55.95, -18.01, -26.29)
CIE-LCH	lch(55.95, 31.87, 235.58°)
OKLab	oklab(61.28% -0.0761 -0.0738)
OKLCH	oklch(61.28% 0.106 224.1)
XYZ	xyz(18.9518, 23.8604, 46.2458)
Luminance	0.2386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2391B3 #B34523

analogous

#23B38D #2391B3 #2349B3

triadic

#2391B3 #B32391 #91B323

tetradic

#2391B3 #8D23B3 #B34523 #49B323

square

#2391B3 #8D23B3 #B34523 #49B323

split-complementary

#2391B3 #B32349 #B38D23

monochromatic

#0F3E4D #196880 #2391B3 #3BB3D9 #6EC7E3

Accessibility & contrast

On white

3.64

#2391B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#2391B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2391B3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2391B3	#FFFFFF	#000000	##000000
##2391B3	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB5

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2391b3;
/* rgb */ color: rgb(35, 145, 179);
/* oklch */ color: oklch(61.3% 0.106 224.1);

Tailwind

colors: {
  custom: {
    50: '#77b1c9',
    500: '#2391b3',
    950: '#000000',
  },
}

SCSS

$custom: #2391b3;
$custom-light: #77b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2391b3",
  "rgb": {
    "r": 35,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 194.167,
    "s": 67.29,
    "l": 41.961
  },
  "oklch": {
    "l": 0.61275,
    "c": 0.10595,
    "h": 224.1
  },
  "luminance": 0.23863
}

Semantic roles & 50–950 ramp

primary

#2391B3

secondary

#C98069

accent

#663EEA

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2391B3

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

Preview Lab → · Contrast checker → · Palette generator →