#2278A6#2278A6

#2278A6 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.5% C 0.106 H 237.4°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2278A6
RGB	rgb(34, 120, 166)
HSL	hsl(201, 66%, 39%)
HSV	hsv(201, 80%, 65%)
CMYK	cmyk(79.5%, 27.7%, 0%, 34.9%)
CIE-LAB	lab(47.66, -8.72, -31.68)
CIE-LCH	lch(47.66, 32.86, 254.62°)
OKLab	oklab(54.46% -0.0572 -0.0895)
OKLCH	oklch(54.46% 0.106 237.4)
XYZ	xyz(14.2564, 16.5245, 38.5072)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2278A6 #A65022

analogous

#22A692 #2278A6 #2236A6

triadic

#2278A6 #A62278 #78A622

tetradic

#2278A6 #9222A6 #A65022 #36A622

square

#2278A6 #9222A6 #A65022 #36A622

split-complementary

#2278A6 #A62236 #A69222

monochromatic

#0D2F40 #185373 #2278A6 #309BD5 #63B4DF

Accessibility & contrast

On white

4.88

#2278A6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#2278A6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2278A6

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2278A6	#FFFFFF	#000000	##FFFFFF
##2278A6	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6278A8

Deuteranopia (green-blind)

#506CA5

Tritanopia (blue-blind)

#008488

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2278a6;
/* rgb */ color: rgb(34, 120, 166);
/* oklch */ color: oklch(54.5% 0.106 237.4);

Tailwind

colors: {
  custom: {
    50: '#729ec0',
    500: '#2278a6',
    950: '#000000',
  },
}

SCSS

$custom: #2278a6;
$custom-light: #729ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2278a6",
  "rgb": {
    "r": 34,
    "g": 120,
    "b": 166
  },
  "hsl": {
    "h": 200.909,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.54458,
    "c": 0.10626,
    "h": 237.4
  },
  "luminance": 0.16526
}

Semantic roles & 50–950 ramp

primary

#2278A6

secondary

#C4835F

accent

#7A3FE9

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2278A6

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

Preview Lab → · Contrast checker → · Palette generator →