#2778AA#2778AA

#2778AA is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.8% C 0.109 H 240.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#2778AA
RGB	rgb(39, 120, 170)
HSL	hsl(203, 63%, 41%)
HSV	hsv(203, 77%, 67%)
CMYK	cmyk(77.1%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(47.96, -6.67, -33.53)
CIE-LCH	lch(47.96, 34.18, 258.75°)
OKLab	oklab(54.8% -0.0535 -0.0949)
OKLCH	oklch(54.8% 0.109 240.6)
XYZ	xyz(14.8060, 16.7648, 40.4780)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2778AA #AA5927

analogous

#27AA9A #2778AA #2736AA

triadic

#2778AA #AA2778 #78AA27

tetradic

#2778AA #9A27AA #AA5927 #36AA27

square

#2778AA #9A27AA #AA5927 #36AA27

split-complementary

#2778AA #AA2736 #AA9A27

monochromatic

#103246 #1C5578 #2778AA #3C99D2 #6EB3DE

Accessibility & contrast

On white

4.82

#2778AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#2778AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2778AA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2778AA	#FFFFFF	#000000	##FFFFFF
##2778AA	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6179AC

Deuteranopia (green-blind)

#4F6CA9

Tritanopia (blue-blind)

#008489

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #2778aa;
/* rgb */ color: rgb(39, 120, 170);
/* oklch */ color: oklch(54.8% 0.109 240.6);

Tailwind

colors: {
  custom: {
    50: '#759ec3',
    500: '#2778aa',
    950: '#000000',
  },
}

SCSS

$custom: #2778aa;
$custom-light: #759ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#2778aa",
  "rgb": {
    "r": 39,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 202.901,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54798,
    "c": 0.10893,
    "h": 240.6
  },
  "luminance": 0.16767
}

Semantic roles & 50–950 ramp

primary

#2778AA

secondary

#C48C69

accent

#8142E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #2778AA

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

Preview Lab → · Contrast checker → · Palette generator →