#5A78DB#5A78DB

#5A78DB is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.9% C 0.154 H 268.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#5A78DB
RGB	rgb(90, 120, 219)
HSL	hsl(226, 64%, 61%)
HSV	hsv(226, 59%, 86%)
CMYK	cmyk(58.9%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(52.64, 18.91, -54.06)
CIE-LCH	lch(52.64, 57.28, 289.28°)
OKLab	oklab(59.86% -0.0034 -0.1542)
OKLCH	oklch(59.86% 0.154 268.7)
XYZ	xyz(23.7148, 20.7192, 69.7536)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A78DB #DBBD5A

analogous

#5AB8DB #5A78DB #7D5ADB

triadic

#5A78DB #DB5A78 #78DB5A

tetradic

#5A78DB #DB5AB8 #DBBD5A #5ADB7D

square

#5A78DB #DB5AB8 #DBBD5A #5ADB7D

split-complementary

#5A78DB #DB7D5A #B8DB5A

monochromatic

#213D99 #2C51CB #5A78DB #8CA1E6 #BECAF1

Accessibility & contrast

On white

4.08

#5A78DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#5A78DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A78DB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A78DB	#FFFFFF	#000000	##000000
##5A78DB	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A84DF

Deuteranopia (green-blind)

#3778D9

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5a78db;
/* rgb */ color: rgb(90, 120, 219);
/* oklch */ color: oklch(59.9% 0.154 268.7);

Tailwind

colors: {
  custom: {
    50: '#939ee7',
    500: '#5a78db',
    950: '#000000',
  },
}

SCSS

$custom: #5a78db;
$custom-light: #939ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5a78db",
  "rgb": {
    "r": 90,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 226.047,
    "s": 64.179,
    "l": 60.588
  },
  "oklch": {
    "l": 0.59855,
    "c": 0.15425,
    "h": 268.7
  },
  "luminance": 0.20721
}

Semantic roles & 50–950 ramp

primary

#5A78DB

secondary

#E1D6B0

accent

#A21ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5A78DB

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

Preview Lab → · Contrast checker → · Palette generator →