#2791B3#2791B3

#2791B3 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.105 H 224.5°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#2791B3
RGB	rgb(39, 145, 179)
HSL	hsl(195, 64%, 43%)
HSV	hsv(195, 78%, 70%)
CMYK	cmyk(78.2%, 19%, 0%, 29.8%)
CIE-LAB	lab(56.02, -17.60, -26.17)
CIE-LCH	lch(56.02, 31.54, 236.08°)
OKLab	oklab(61.36% -0.0746 -0.0734)
OKLCH	oklch(61.36% 0.105 224.5)
XYZ	xyz(19.0954, 23.9345, 46.2525)
Luminance	0.2394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2791B3 #B34927

analogous

#27B38F #2791B3 #274BB3

triadic

#2791B3 #B32791 #91B327

tetradic

#2791B3 #8F27B3 #B34927 #4BB327

square

#2791B3 #8F27B3 #B34927 #4BB327

split-complementary

#2791B3 #B3274B #B38F27

monochromatic

#11404E #1C6881 #2791B3 #41B2D6 #74C6E1

Accessibility & contrast

On white

3.63

#2791B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#2791B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2791B3

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2791B3	#FFFFFF	#000000	##000000
##2791B3	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)

#7E8EB5

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2791b3;
/* rgb */ color: rgb(39, 145, 179);
/* oklch */ color: oklch(61.4% 0.105 224.5);

Tailwind

colors: {
  custom: {
    50: '#78b1c9',
    500: '#2791b3',
    950: '#000000',
  },
}

SCSS

$custom: #2791b3;
$custom-light: #78b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2791b3",
  "rgb": {
    "r": 39,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 194.571,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.61356,
    "c": 0.10462,
    "h": 224.5
  },
  "luminance": 0.23937
}

Semantic roles & 50–950 ramp

primary

#2791B3

secondary

#C8846E

accent

#6941E7

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2791B3

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

Preview Lab → · Contrast checker → · Palette generator →