#2991B7#2991B7

#2991B7 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.107 H 227.6°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#2991B7
RGB	rgb(41, 145, 183)
HSL	hsl(196, 63%, 44%)
HSV	hsv(196, 78%, 72%)
CMYK	cmyk(77.6%, 20.8%, 0%, 28.2%)
CIE-LAB	lab(56.23, -16.00, -28.13)
CIE-LCH	lch(56.23, 32.36, 240.36°)
OKLab	oklab(61.59% -0.0722 -0.079)
OKLCH	oklch(61.59% 0.107 227.6)
XYZ	xyz(19.5836, 24.1387, 48.4177)
Luminance	0.2414 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2991B7 #B74F29

analogous

#29B796 #2991B7 #294AB7

triadic

#2991B7 #B72991 #91B729

tetradic

#2991B7 #9629B7 #B74F29 #4AB729

square

#2991B7 #9629B7 #B74F29 #4AB729

split-complementary

#2991B7 #B7294A #B79629

monochromatic

#134253 #1E6985 #2991B7 #47B0D6 #79C5E1

Accessibility & contrast

On white

3.60

#2991B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#2991B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2991B7

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2991B7	#FFFFFF	#000000	##000000
##2991B7	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB9

Deuteranopia (green-blind)

#6A81B7

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #2991b7;
/* rgb */ color: rgb(41, 145, 183);
/* oklch */ color: oklch(61.6% 0.107 227.6);

Tailwind

colors: {
  custom: {
    50: '#79b1cc',
    500: '#2991b7',
    950: '#000000',
  },
}

SCSS

$custom: #2991b7;
$custom-light: #79b1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2991b7",
  "rgb": {
    "r": 41,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 196.056,
    "s": 63.393,
    "l": 43.922
  },
  "oklch": {
    "l": 0.61585,
    "c": 0.10705,
    "h": 227.6
  },
  "luminance": 0.24141
}

Semantic roles & 50–950 ramp

primary

#2991B7

secondary

#C98A73

accent

#6E41E6

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2991B7

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

Preview Lab → · Contrast checker → · Palette generator →