#2B91B0#2B91B0

#2B91B0 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.101 H 222.8°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B91B0
RGB	rgb(43, 145, 176)
HSL	hsl(194, 61%, 43%)
HSV	hsv(194, 76%, 69%)
CMYK	cmyk(75.6%, 17.6%, 0%, 31%)
CIE-LAB	lab(55.98, -18.15, -24.51)
CIE-LCH	lch(55.98, 30.50, 233.47°)
OKLab	oklab(61.31% -0.0741 -0.0686)
OKLCH	oklch(61.31% 0.101 222.8)
XYZ	xyz(18.9549, 23.8967, 44.6794)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B91B0 #B04A2B

analogous

#2BB08C #2B91B0 #2B4EB0

triadic

#2B91B0 #B02B91 #91B02B

tetradic

#2B91B0 #8C2BB0 #B04A2B #4EB02B

square

#2B91B0 #8C2BB0 #B04A2B #4EB02B

split-complementary

#2B91B0 #B02B4E #B08C2B

monochromatic

#13404E #1F687F #2B91B0 #46B1D2 #78C6DE

Accessibility & contrast

On white

3.63

#2B91B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#2B91B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B91B0

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B91B0	#FFFFFF	#000000	##000000
##2B91B0	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)

#7F8EB2

Deuteranopia (green-blind)

#6D81B0

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2b91b0;
/* rgb */ color: rgb(43, 145, 176);
/* oklch */ color: oklch(61.3% 0.101 222.8);

Tailwind

colors: {
  custom: {
    50: '#78b1c7',
    500: '#2b91b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b91b0;
$custom-light: #78b1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b91b0",
  "rgb": {
    "r": 43,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 193.985,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.61309,
    "c": 0.10096,
    "h": 222.8
  },
  "luminance": 0.23899
}

Semantic roles & 50–950 ramp

primary

#2B91B0

secondary

#C68571

accent

#6944E4

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2B91B0

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

Preview Lab → · Contrast checker → · Palette generator →