#2278A0#2278A0

#2278A0 is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.1% C 0.100 H 233.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#2278A0
RGB	rgb(34, 120, 160)
HSL	hsl(199, 65%, 38%)
HSV	hsv(199, 79%, 63%)
CMYK	cmyk(78.8%, 25%, 0%, 37.3%)
CIE-LAB	lab(47.38, -10.90, -28.61)
CIE-LCH	lch(47.38, 30.61, 249.14°)
OKLab	oklab(54.15% -0.0593 -0.0806)
OKLCH	oklch(54.15% 0.1 233.7)
XYZ	xyz(13.7188, 16.3094, 35.6759)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2278A0 #A04A22

analogous

#22A089 #2278A0 #2239A0

triadic

#2278A0 #A02278 #78A022

tetradic

#2278A0 #8922A0 #A04A22 #39A022

square

#2278A0 #8922A0 #A04A22 #39A022

split-complementary

#2278A0 #A02239 #A08922

monochromatic

#0D2C3B #17526E #2278A0 #2D9ED2 #5FB5DD

Accessibility & contrast

On white

4.93

#2278A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#2278A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2278A0

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2278A0	#FFFFFF	#000000	##FFFFFF
##2278A0	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6477A2

Deuteranopia (green-blind)

#536B9F

Tritanopia (blue-blind)

#008386

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2278a0;
/* rgb */ color: rgb(34, 120, 160);
/* oklch */ color: oklch(54.1% 0.100 233.7);

Tailwind

colors: {
  custom: {
    50: '#719fbc',
    500: '#2278a0',
    950: '#000000',
  },
}

SCSS

$custom: #2278a0;
$custom-light: #719fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2278a0",
  "rgb": {
    "r": 34,
    "g": 120,
    "b": 160
  },
  "hsl": {
    "h": 199.048,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.54146,
    "c": 0.1001,
    "h": 233.7
  },
  "luminance": 0.16311
}

Semantic roles & 50–950 ramp

primary

#2278A0

secondary

#C27C5C

accent

#7540E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2278A0

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

Preview Lab → · Contrast checker → · Palette generator →