#2798B3#2798B3

#2798B3 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.103 H 218.1°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#2798B3
RGB	rgb(39, 152, 179)
HSL	hsl(192, 64%, 43%)
HSV	hsv(192, 78%, 70%)
CMYK	cmyk(78.2%, 15.1%, 0%, 29.8%)
CIE-LAB	lab(58.17, -21.32, -22.86)
CIE-LCH	lch(58.17, 31.26, 227.00°)
OKLab	oklab(63.08% -0.0814 -0.0639)
OKLCH	oklch(63.08% 0.103 218.1)
XYZ	xyz(20.1982, 26.1400, 46.6201)
Luminance	0.2614 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2798B3 #B34227

analogous

#27B388 #2798B3 #2752B3

triadic

#2798B3 #B32798 #98B327

tetradic

#2798B3 #8827B3 #B34227 #52B327

square

#2798B3 #8827B3 #B34227 #52B327

split-complementary

#2798B3 #B32752 #B38827

monochromatic

#11434E #1C6D81 #2798B3 #41B9D6 #74CCE1

Accessibility & contrast

On white

3.37

#2798B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#2798B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2798B3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2798B3	#FFFFFF	#000000	##000000
##2798B3	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8793B4

Deuteranopia (green-blind)

#7486B3

Tritanopia (blue-blind)

#00A1A1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #2798b3;
/* rgb */ color: rgb(39, 152, 179);
/* oklch */ color: oklch(63.1% 0.103 218.1);

Tailwind

colors: {
  custom: {
    50: '#78b6c9',
    500: '#2798b3',
    950: '#000000',
  },
}

SCSS

$custom: #2798b3;
$custom-light: #78b6c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2798b3",
  "rgb": {
    "r": 39,
    "g": 152,
    "b": 179
  },
  "hsl": {
    "h": 191.571,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.63081,
    "c": 0.10348,
    "h": 218.1
  },
  "luminance": 0.26142
}

Semantic roles & 50–950 ramp

primary

#2798B3

secondary

#C87F6E

accent

#6141E7

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2798B3

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

Preview Lab → · Contrast checker → · Palette generator →