#2B78BF#2B78BF

#2B78BF is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.133 H 250.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#2B78BF
RGB	rgb(43, 120, 191)
HSL	hsl(209, 63%, 46%)
HSV	hsv(209, 77%, 75%)
CMYK	cmyk(77.5%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(49.14, 1.57, -43.82)
CIE-LCH	lch(49.14, 43.85, 272.05°)
OKLab	oklab(56.1% -0.0453 -0.1249)
OKLCH	oklch(56.1% 0.133 250.1)
XYZ	xyz(17.1131, 17.7061, 51.7958)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78BF #BF722B

analogous

#2BBFBC #2B78BF #2B2EBF

triadic

#2B78BF #BF2B78 #78BF2B

tetradic

#2B78BF #BC2BBF #BF722B #2EBF2B

square

#2B78BF #BC2BBF #BF722B #2EBF2B

split-complementary

#2B78BF #BF2B2E #BFBC2B

monochromatic

#15395B #20598D #2B78BF #5096D8 #82B4E3

Accessibility & contrast

On white

4.62

#2B78BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#2B78BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78BF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78BF	#FFFFFF	#000000	##FFFFFF
##2B78BF	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577CC2

Deuteranopia (green-blind)

#406FBE

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2b78bf;
/* rgb */ color: rgb(43, 120, 191);
/* oklch */ color: oklch(56.1% 0.133 250.1);

Tailwind

colors: {
  custom: {
    50: '#7a9ed3',
    500: '#2b78bf',
    950: '#000000',
  },
}

SCSS

$custom: #2b78bf;
$custom-light: #7a9ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78bf",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 208.784,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56104,
    "c": 0.13285,
    "h": 250.1
  },
  "luminance": 0.17708
}

Semantic roles & 50–950 ramp

primary

#2B78BF

secondary

#CCA17A

accent

#9142E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2B78BF

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

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