#2991B2#2991B2

#2991B2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.103 H 224.1°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#2991B2
RGB	rgb(41, 145, 178)
HSL	hsl(194, 63%, 43%)
HSV	hsv(194, 77%, 70%)
CMYK	cmyk(77%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.02, -17.71, -25.60)
CIE-LCH	lch(56.02, 31.13, 235.31°)
OKLab	oklab(61.35% -0.0741 -0.0717)
OKLCH	oklch(61.35% 0.103 224.1)
XYZ	xyz(19.0724, 23.9343, 45.7254)
Luminance	0.2394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2991B2 #B24A29

analogous

#29B28F #2991B2 #294CB2

triadic

#2991B2 #B22991 #91B229

tetradic

#2991B2 #8F29B2 #B24A29 #4CB229

square

#2991B2 #8F29B2 #B24A29 #4CB229

split-complementary

#2991B2 #B2294C #B28F29

monochromatic

#12404F #1E6880 #2991B2 #44B1D4 #76C6DF

Accessibility & contrast

On white

3.63

#2991B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#2991B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2991B2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2991B2	#FFFFFF	#000000	##000000
##2991B2	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#6C81B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2991b2;
/* rgb */ color: rgb(41, 145, 178);
/* oklch */ color: oklch(61.4% 0.103 224.1);

Tailwind

colors: {
  custom: {
    50: '#78b1c9',
    500: '#2991b2',
    950: '#000000',
  },
}

SCSS

$custom: #2991b2;
$custom-light: #78b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2991b2",
  "rgb": {
    "r": 41,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 194.453,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.10316,
    "h": 224.1
  },
  "luminance": 0.23937
}

Semantic roles & 50–950 ramp

primary

#2991B2

secondary

#C78570

accent

#6A42E6

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2991B2

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

Preview Lab → · Contrast checker → · Palette generator →