#2491AB#2491AB

#2491AB is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 60.9% C 0.100 H 218.2°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#2491AB
RGB	rgb(36, 145, 171)
HSL	hsl(192, 65%, 41%)
HSV	hsv(192, 79%, 67%)
CMYK	cmyk(78.9%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(55.65, -20.64, -22.18)
CIE-LCH	lch(55.65, 30.30, 227.07°)
OKLab	oklab(60.93% -0.0788 -0.062)
OKLCH	oklch(60.93% 0.1 218.2)
XYZ	xyz(18.2005, 23.5639, 42.1092)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2491AB #AB3E24

analogous

#24AB82 #2491AB #244DAB

triadic

#2491AB #AB2491 #91AB24

tetradic

#2491AB #8224AB #AB3E24 #4DAB24

square

#2491AB #8224AB #AB3E24 #4DAB24

split-complementary

#2491AB #AB244D #AB8224

monochromatic

#0F3B46 #196678 #2491AB #37B7D5 #6AC9E0

Accessibility & contrast

On white

3.68

#2491AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#2491AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2491AB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2491AB	#FFFFFF	#000000	##000000
##2491AB	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808DAC

Deuteranopia (green-blind)

#6E80AB

Tritanopia (blue-blind)

#009A99

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #2491ab;
/* rgb */ color: rgb(36, 145, 171);
/* oklch */ color: oklch(60.9% 0.100 218.2);

Tailwind

colors: {
  custom: {
    50: '#76b1c4',
    500: '#2491ab',
    950: '#000000',
  },
}

SCSS

$custom: #2491ab;
$custom-light: #76b1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2491ab",
  "rgb": {
    "r": 36,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 191.556,
    "s": 65.217,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60935,
    "c": 0.10032,
    "h": 218.2
  },
  "luminance": 0.23566
}

Semantic roles & 50–950 ramp

primary

#2491AB

secondary

#C67865

accent

#6040E8

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #2491AB

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

Preview Lab → · Contrast checker → · Palette generator →