#2B78B0#2B78B0

#2B78B0 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.2% C 0.114 H 244.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B78B0
RGB	rgb(43, 120, 176)
HSL	hsl(205, 61%, 43%)
HSV	hsv(205, 76%, 69%)
CMYK	cmyk(75.6%, 31.8%, 0%, 31%)
CIE-LAB	lab(48.36, -3.97, -36.38)
CIE-LCH	lch(48.36, 36.60, 263.77°)
OKLab	oklab(55.24% -0.0495 -0.1031)
OKLCH	oklch(55.24% 0.114 244.3)
XYZ	xyz(15.5462, 17.0793, 43.5432)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78B0 #B0632B

analogous

#2BB0A5 #2B78B0 #2B35B0

triadic

#2B78B0 #B02B78 #78B02B

tetradic

#2B78B0 #A52BB0 #B0632B #35B02B

square

#2B78B0 #A52BB0 #B0632B #35B02B

split-complementary

#2B78B0 #B02B35 #B0A52B

monochromatic

#13354E #1F567F #2B78B0 #4697D2 #78B3DE

Accessibility & contrast

On white

4.76

#2B78B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#2B78B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78B0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78B0	#FFFFFF	#000000	##FFFFFF
##2B78B0	1.00	4.76	4.42	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7AB2

Deuteranopia (green-blind)

#4C6DAF

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2b78b0;
/* rgb */ color: rgb(43, 120, 176);
/* oklch */ color: oklch(55.2% 0.114 244.3);

Tailwind

colors: {
  custom: {
    50: '#779ec8',
    500: '#2b78b0',
    950: '#000000',
  },
}

SCSS

$custom: #2b78b0;
$custom-light: #779ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78b0",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 176
  },
  "hsl": {
    "h": 205.263,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.55238,
    "c": 0.11443,
    "h": 244.3
  },
  "luminance": 0.17081
}

Semantic roles & 50–950 ramp

primary

#2B78B0

secondary

#C69571

accent

#8744E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2B78B0

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

Preview Lab → · Contrast checker → · Palette generator →