#2D78BC#2D78BC

#2D78BC is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.128 H 249.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#2D78BC
RGB	rgb(45, 120, 188)
HSL	hsl(209, 61%, 46%)
HSV	hsv(209, 76%, 74%)
CMYK	cmyk(76.1%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(49.03, 0.70, -42.26)
CIE-LCH	lch(49.03, 42.26, 270.95°)
OKLab	oklab(55.98% -0.045 -0.1203)
OKLCH	oklch(55.98% 0.128 249.5)
XYZ	xyz(16.8723, 17.6197, 50.0789)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78BC #BC712D

analogous

#2DBCB8 #2D78BC #2D31BC

triadic

#2D78BC #BC2D78 #78BC2D

tetradic

#2D78BC #B82DBC #BC712D #31BC2D

square

#2D78BC #B82DBC #BC712D #31BC2D

split-complementary

#2D78BC #BC2D31 #BCB82D

monochromatic

#153959 #21588B #2D78BC #5196D5 #82B4E1

Accessibility & contrast

On white

4.64

#2D78BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#2D78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78BC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78BC	#FFFFFF	#000000	##FFFFFF
##2D78BC	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CBF

Deuteranopia (green-blind)

#436FBB

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2d78bc;
/* rgb */ color: rgb(45, 120, 188);
/* oklch */ color: oklch(56.0% 0.128 249.5);

Tailwind

colors: {
  custom: {
    50: '#7a9ed0',
    500: '#2d78bc',
    950: '#000000',
  },
}

SCSS

$custom: #2d78bc;
$custom-light: #7a9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78bc",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 208.531,
    "s": 61.373,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55984,
    "c": 0.12844,
    "h": 249.5
  },
  "luminance": 0.17622
}

Semantic roles & 50–950 ramp

primary

#2D78BC

secondary

#CAA07B

accent

#9043E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2D78BC

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

Preview Lab → · Contrast checker → · Palette generator →