#4390DB#4390DB

#4390DB is a light, vivid cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.136 H 250.3°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4390DB
RGB	rgb(67, 144, 219)
HSL	hsl(210, 68%, 56%)
HSV	hsv(210, 69%, 86%)
CMYK	cmyk(69.4%, 34.2%, 0%, 14.1%)
CIE-LAB	lab(58.28, 0.50, -45.17)
CIE-LCH	lch(58.28, 45.17, 270.64°)
OKLab	oklab(63.95% -0.0459 -0.1282)
OKLCH	oklch(63.95% 0.136 250.3)
XYZ	xyz(25.0694, 26.2516, 70.7500)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4390DB #DB8E43

analogous

#43DBDA #4390DB #4344DB

triadic

#4390DB #DB4390 #90DB43

tetradic

#4390DB #DA43DB #DB8E43 #44DB43

square

#4390DB #DA43DB #DB8E43 #44DB43

split-complementary

#4390DB #DB4344 #DBDA43

monochromatic

#1A5389 #2471BD #4390DB #76AEE5 #AACDEF

Accessibility & contrast

On white

3.36

#4390DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#4390DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4390DB

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4390DB	#FFFFFF	#000000	##000000
##4390DB	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5986DA

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #4390db;
/* rgb */ color: rgb(67, 144, 219);
/* oklch */ color: oklch(63.9% 0.136 250.3);

Tailwind

colors: {
  custom: {
    50: '#88b0e6',
    500: '#4390db',
    950: '#000000',
  },
}

SCSS

$custom: #4390db;
$custom-light: #88b0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4390db",
  "rgb": {
    "r": 67,
    "g": 144,
    "b": 219
  },
  "hsl": {
    "h": 209.605,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63947,
    "c": 0.13619,
    "h": 250.3
  },
  "luminance": 0.26254
}

Semantic roles & 50–950 ramp

primary

#4390DB

secondary

#DCBC9E

accent

#933DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4390DB

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

Preview Lab → · Contrast checker → · Palette generator →