#2A78A5#2A78A5

#2A78A5 is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.6% C 0.102 H 238.4°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#2A78A5
RGB	rgb(42, 120, 165)
HSL	hsl(202, 59%, 41%)
HSV	hsv(202, 75%, 65%)
CMYK	cmyk(74.5%, 27.3%, 0%, 35.3%)
CIE-LAB	lab(47.80, -8.09, -30.85)
CIE-LCH	lch(47.80, 31.90, 255.30°)
OKLab	oklab(54.62% -0.0536 -0.0871)
OKLCH	oklch(54.62% 0.102 238.4)
XYZ	xyz(14.4602, 16.6401, 38.0398)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A78A5 #A5572A

analogous

#2AA594 #2A78A5 #2A3BA5

triadic

#2A78A5 #A52A78 #78A52A

tetradic

#2A78A5 #942AA5 #A5572A #3BA52A

square

#2A78A5 #942AA5 #A5572A #3BA52A

split-complementary

#2A78A5 #A52A3B #A5942A

monochromatic

#113143 #1E5574 #2A78A5 #3E99CE #6FB3DA

Accessibility & contrast

On white

4.85

#2A78A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#2A78A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A78A5

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A78A5	#FFFFFF	#000000	##FFFFFF
##2A78A5	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6378A7

Deuteranopia (green-blind)

#526CA4

Tritanopia (blue-blind)

#008388

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2a78a5;
/* rgb */ color: rgb(42, 120, 165);
/* oklch */ color: oklch(54.6% 0.102 238.4);

Tailwind

colors: {
  custom: {
    50: '#759ec0',
    500: '#2a78a5',
    950: '#000000',
  },
}

SCSS

$custom: #2a78a5;
$custom-light: #759ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a78a5",
  "rgb": {
    "r": 42,
    "g": 120,
    "b": 165
  },
  "hsl": {
    "h": 201.951,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.54616,
    "c": 0.10228,
    "h": 238.4
  },
  "luminance": 0.16642
}

Semantic roles & 50–950 ramp

primary

#2A78A5

secondary

#C18A69

accent

#7F45E3

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2A78A5

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

Preview Lab → · Contrast checker → · Palette generator →