#4478DB#4478DB

#4478DB is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.8% C 0.161 H 261.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4478DB
RGB	rgb(68, 120, 219)
HSL	hsl(219, 68%, 56%)
HSV	hsv(219, 69%, 86%)
CMYK	cmyk(68.9%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(51.58, 15.15, -55.82)
CIE-LCH	lch(51.58, 57.84, 285.18°)
OKLab	oklab(58.76% -0.0228 -0.1598)
OKLCH	oklch(58.76% 0.161 261.9)
XYZ	xyz(21.8820, 19.7741, 69.6677)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4478DB #DBA744

analogous

#44C4DB #4478DB #5C44DB

triadic

#4478DB #DB4478 #78DB44

tetradic

#4478DB #DB44C4 #DBA744 #44DB5C

square

#4478DB #DB44C4 #DBA744 #44DB5C

split-complementary

#4478DB #DB5C44 #C4DB44

monochromatic

#1B418A #2459BD #4478DB #779DE5 #ABC2EF

Accessibility & contrast

On white

4.24

#4478DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4478DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4478DB

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4478DB	#FFFFFF	#000000	##000000
##4478DB	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4682DF

Deuteranopia (green-blind)

#2874D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4478db;
/* rgb */ color: rgb(68, 120, 219);
/* oklch */ color: oklch(58.8% 0.161 261.9);

Tailwind

colors: {
  custom: {
    50: '#899ee7',
    500: '#4478db',
    950: '#000000',
  },
}

SCSS

$custom: #4478db;
$custom-light: #899ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4478db",
  "rgb": {
    "r": 68,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 219.338,
    "s": 67.713,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58755,
    "c": 0.16141,
    "h": 261.9
  },
  "luminance": 0.19776
}

Semantic roles & 50–950 ramp

primary

#4478DB

secondary

#DCC79E

accent

#AF3DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4478DB

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

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