#2B91BB#2B91BB

#2B91BB is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.8% C 0.110 H 230.4°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2B91BB
RGB	rgb(43, 145, 187)
HSL	hsl(198, 63%, 45%)
HSV	hsv(198, 77%, 73%)
CMYK	cmyk(77%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(56.44, -14.40, -30.07)
CIE-LCH	lch(56.44, 33.34, 244.42°)
OKLab	oklab(61.82% -0.0699 -0.0846)
OKLCH	oklch(61.82% 0.11 230.4)
XYZ	xyz(20.0877, 24.3498, 50.6454)
Luminance	0.2435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B91BB #BB552B

analogous

#2BBB9D #2B91BB #2B49BB

triadic

#2B91BB #BB2B91 #91BB2B

tetradic

#2B91BB #9D2BBB #BB552B #49BB2B

square

#2B91BB #9D2BBB #BB552B #49BB2B

split-complementary

#2B91BB #BB2B49 #BB9D2B

monochromatic

#144457 #206A89 #2B91BB #4DAED6 #7FC5E2

Accessibility & contrast

On white

3.58

#2B91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#2B91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B91BB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B91BB	#FFFFFF	#000000	##000000
##2B91BB	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6881BA

Tritanopia (blue-blind)

#009D9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #2b91bb;
/* rgb */ color: rgb(43, 145, 187);
/* oklch */ color: oklch(61.8% 0.110 230.4);

Tailwind

colors: {
  custom: {
    50: '#7ab1cf',
    500: '#2b91bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b91bb;
$custom-light: #7ab1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b91bb",
  "rgb": {
    "r": 43,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 197.5,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.61821,
    "c": 0.10975,
    "h": 230.4
  },
  "luminance": 0.24352
}

Semantic roles & 50–950 ramp

primary

#2B91BB

secondary

#CA9078

accent

#7242E6

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #2B91BB

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

Preview Lab → · Contrast checker → · Palette generator →