#2D78B1#2D78B1

#2D78B1 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.4% C 0.115 H 245.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#2D78B1
RGB	rgb(45, 120, 177)
HSL	hsl(206, 59%, 44%)
HSV	hsv(206, 75%, 69%)
CMYK	cmyk(74.6%, 32.2%, 0%, 30.6%)
CIE-LAB	lab(48.47, -3.34, -36.80)
CIE-LCH	lch(48.47, 36.95, 264.81°)
OKLab	oklab(55.35% -0.0481 -0.1043)
OKLCH	oklch(55.35% 0.115 245.2)
XYZ	xyz(15.7314, 17.1633, 44.0702)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D78B1 #B1662D

analogous

#2DB1A8 #2D78B1 #2D36B1

triadic

#2D78B1 #B12D78 #78B12D

tetradic

#2D78B1 #A82DB1 #B1662D #36B12D

square

#2D78B1 #A82DB1 #B1662D #36B12D

split-complementary

#2D78B1 #B12D36 #B1A82D

monochromatic

#14364F #215780 #2D78B1 #4A97D1 #7BB3DD

Accessibility & contrast

On white

4.74

#2D78B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#2D78B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D78B1

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D78B1	#FFFFFF	#000000	##FFFFFF
##2D78B1	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7AB3

Deuteranopia (green-blind)

#4B6EB0

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #2d78b1;
/* rgb */ color: rgb(45, 120, 177);
/* oklch */ color: oklch(55.4% 0.115 245.2);

Tailwind

colors: {
  custom: {
    50: '#789ec8',
    500: '#2d78b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d78b1;
$custom-light: #789ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d78b1",
  "rgb": {
    "r": 45,
    "g": 120,
    "b": 177
  },
  "hsl": {
    "h": 205.909,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55353,
    "c": 0.1149,
    "h": 245.2
  },
  "luminance": 0.17165
}

Semantic roles & 50–950 ramp

primary

#2D78B1

secondary

#C69774

accent

#8945E3

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2D78B1

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

Preview Lab → · Contrast checker → · Palette generator →