#2791B2#2791B2

#2791B2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.104 H 223.8°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2791B2
RGB	rgb(39, 145, 178)
HSL	hsl(194, 64%, 43%)
HSV	hsv(194, 78%, 70%)
CMYK	cmyk(78.1%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(55.98, -17.94, -25.66)
CIE-LCH	lch(55.98, 31.31, 235.04°)
OKLab	oklab(61.31% -0.0749 -0.0719)
OKLCH	oklch(61.31% 0.104 223.8)
XYZ	xyz(18.9946, 23.8942, 45.7218)
Luminance	0.2390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2791B2 #B24827

analogous

#27B28E #2791B2 #274BB2

triadic

#2791B2 #B22791 #91B227

tetradic

#2791B2 #8E27B2 #B24827 #4BB227

square

#2791B2 #8E27B2 #B24827 #4BB227

split-complementary

#2791B2 #B2274B #B28E27

monochromatic

#113F4E #1C6880 #2791B2 #41B2D5 #73C6E0

Accessibility & contrast

On white

3.63

#2791B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#2791B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2791B2

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2791B2	#FFFFFF	#000000	##000000
##2791B2	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)

#7E8EB4

Deuteranopia (green-blind)

#6C80B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2791b2;
/* rgb */ color: rgb(39, 145, 178);
/* oklch */ color: oklch(61.3% 0.104 223.8);

Tailwind

colors: {
  custom: {
    50: '#78b1c9',
    500: '#2791b2',
    950: '#000000',
  },
}

SCSS

$custom: #2791b2;
$custom-light: #78b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2791b2",
  "rgb": {
    "r": 39,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 194.245,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.6131,
    "c": 0.10388,
    "h": 223.8
  },
  "luminance": 0.23896
}

Semantic roles & 50–950 ramp

primary

#2791B2

secondary

#C8836D

accent

#6841E7

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2791B2

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

Preview Lab → · Contrast checker → · Palette generator →