#2991B3#2991B3

#2991B3 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.4% C 0.104 H 224.8°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2991B3
RGB	rgb(41, 145, 179)
HSL	hsl(195, 63%, 43%)
HSV	hsv(195, 77%, 70%)
CMYK	cmyk(77.1%, 19%, 0%, 29.8%)
CIE-LAB	lab(56.06, -17.37, -26.10)
CIE-LCH	lch(56.06, 31.36, 236.35°)
OKLab	oklab(61.4% -0.0737 -0.0732)
OKLCH	oklch(61.4% 0.104 224.8)
XYZ	xyz(19.1732, 23.9746, 46.2561)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2991B3 #B34B29

analogous

#29B390 #2991B3 #294CB3

triadic

#2991B3 #B32991 #91B329

tetradic

#2991B3 #9029B3 #B34B29 #4CB329

square

#2991B3 #9029B3 #B34B29 #4CB329

split-complementary

#2991B3 #B3294C #B39029

monochromatic

#12404F #1E6981 #2991B3 #45B1D4 #77C6E0

Accessibility & contrast

On white

3.62

#2991B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#2991B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2991B3

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2991B3	#FFFFFF	#000000	##000000
##2991B3	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB5

Deuteranopia (green-blind)

#6C81B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2991b3;
/* rgb */ color: rgb(41, 145, 179);
/* oklch */ color: oklch(61.4% 0.104 224.8);

Tailwind

colors: {
  custom: {
    50: '#78b1c9',
    500: '#2991b3',
    950: '#000000',
  },
}

SCSS

$custom: #2991b3;
$custom-light: #78b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2991b3",
  "rgb": {
    "r": 41,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 194.783,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.614,
    "c": 0.1039,
    "h": 224.8
  },
  "luminance": 0.23977
}

Semantic roles & 50–950 ramp

primary

#2991B3

secondary

#C78670

accent

#6A42E6

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2991B3

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

Preview Lab → · Contrast checker → · Palette generator →