#2D78B6#2D78B6

#2D78B6 is a mid, vivid cyan. Relative luminance 0.174; OKLCH L 55.6% C 0.121 H 247.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#2D78B6
RGB	rgb(45, 120, 182)
HSL	hsl(207, 60%, 45%)
HSV	hsv(207, 75%, 71%)
CMYK	cmyk(75.3%, 34.1%, 0%, 28.6%)
CIE-LAB	lab(48.72, -1.51, -39.29)
CIE-LCH	lch(48.72, 39.32, 267.79°)
OKLab	oklab(55.64% -0.0467 -0.1116)
OKLCH	oklch(55.64% 0.121 247.3)
XYZ	xyz(16.2389, 17.3664, 46.7431)
Luminance	0.1737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78B6 #B66B2D

analogous

#2DB6AF #2D78B6 #2D34B6

triadic

#2D78B6 #B62D78 #78B62D

tetradic

#2D78B6 #AF2DB6 #B66B2D #34B62D

square

#2D78B6 #AF2DB6 #B66B2D #34B62D

split-complementary

#2D78B6 #B62D34 #B6AF2D

monochromatic

#153754 #215885 #2D78B6 #4D96D3 #7EB3DF

Accessibility & contrast

On white

4.69

#2D78B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2D78B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78B6

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78B6	#FFFFFF	#000000	##FFFFFF
##2D78B6	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7BB9

Deuteranopia (green-blind)

#486EB5

Tritanopia (blue-blind)

#00878E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d78b6;
/* rgb */ color: rgb(45, 120, 182);
/* oklch */ color: oklch(55.6% 0.121 247.3);

Tailwind

colors: {
  custom: {
    50: '#799ecc',
    500: '#2d78b6',
    950: '#000000',
  },
}

SCSS

$custom: #2d78b6;
$custom-light: #799ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78b6",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 182
  },
  "hsl": {
    "h": 207.153,
    "s": 60.352,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55636,
    "c": 0.12097,
    "h": 247.3
  },
  "luminance": 0.17368
}

Semantic roles & 50–950 ramp

primary

#2D78B6

secondary

#C89C77

accent

#8C44E3

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78B6

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

Preview Lab → · Contrast checker → · Palette generator →